diff --git a/nixos/modules/programs/command-not-found/command-not-found.nix b/nixos/modules/programs/command-not-found/command-not-found.nix
index 656c255fcb185..da09488d82c7a 100644
--- a/nixos/modules/programs/command-not-found/command-not-found.nix
+++ b/nixos/modules/programs/command-not-found/command-not-found.nix
@@ -9,17 +9,9 @@ with lib;
 
 let
   cfg = config.programs.command-not-found;
-  commandNotFound = pkgs.substituteAll {
-    name = "command-not-found";
-    dir = "bin";
-    src = ./command-not-found.pl;
-    isExecutable = true;
-    inherit (pkgs) perl;
+  commandNotFound = pkgs.callPackage ./. {
     inherit (cfg) dbPath;
-    perlFlags = concatStrings (map (path: "-I ${path}/${pkgs.perl.libPrefix} ")
-      [ pkgs.perlPackages.DBI pkgs.perlPackages.DBDSQLite pkgs.perlPackages.StringShellQuote ]);
   };
-
 in
 
 {
@@ -91,5 +83,4 @@ in
 
     environment.systemPackages = [ commandNotFound ];
   };
-
 }
diff --git a/nixos/modules/programs/command-not-found/command-not-found.pl b/nixos/modules/programs/command-not-found/command-not-found.pl
deleted file mode 100644
index ab7aa204653cd..0000000000000
--- a/nixos/modules/programs/command-not-found/command-not-found.pl
+++ /dev/null
@@ -1,51 +0,0 @@
-#! @perl@/bin/perl -w @perlFlags@
-
-use strict;
-use DBI;
-use DBD::SQLite;
-use String::ShellQuote;
-use Config;
-
-my $program = $ARGV[0];
-
-my $dbPath = "@dbPath@";
-
-my $dbh = DBI->connect("dbi:SQLite:dbname=$dbPath", "", "")
-    or die "cannot open database `$dbPath'";
-$dbh->{RaiseError} = 0;
-$dbh->{PrintError} = 0;
-
-my $system = $ENV{"NIX_SYSTEM"} // $Config{myarchname};
-
-my $res = $dbh->selectall_arrayref(
-    "select package from Programs where system = ? and name = ?",
-    { Slice => {} }, $system, $program);
-
-if (!defined $res || scalar @$res == 0) {
-    print STDERR "$program: command not found\n";
-} elsif (scalar @$res == 1) {
-    my $package = @$res[0]->{package};
-    if ($ENV{"NIX_AUTO_INSTALL"} // "") {
-        print STDERR <<EOF;
-The program ‘$program’ is currently not installed. It is provided by
-the package ‘$package’, which I will now install for you.
-EOF
-        ;
-        exit 126 if system("nix-env", "-iA", "nixos.$package") == 0;
-    } elsif ($ENV{"NIX_AUTO_RUN"} // "") {
-        exec("nix-shell", "-p", $package, "--run", shell_quote("exec", @ARGV));
-    } else {
-        print STDERR <<EOF;
-The program ‘$program’ is currently not installed. You can install it by typing:
-  nix-env -iA nixos.$package
-EOF
-    }
-} else {
-    print STDERR <<EOF;
-The program ‘$program’ is currently not installed. It is provided by
-several packages. You can install it by typing one of the following:
-EOF
-    print STDERR "  nix-env -iA nixos.$_->{package}\n" foreach @$res;
-}
-
-exit 127;
diff --git a/nixos/modules/programs/command-not-found/default.nix b/nixos/modules/programs/command-not-found/default.nix
new file mode 100644
index 0000000000000..3bd22b3a20df5
--- /dev/null
+++ b/nixos/modules/programs/command-not-found/default.nix
@@ -0,0 +1,18 @@
+{ stdenv, rustPlatform, pkg-config, sqlite
+, dbPath ? "/nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite" }:
+
+rustPlatform.buildRustPackage {
+  name = "command-not-found";
+  src = ./rust;
+
+  DB_PATH = dbPath;
+  NIX_SYSTEM = stdenv.system;
+
+  postInstall = ''
+    strip $out/bin/command-not-found
+  '';
+
+  buildInputs = [ sqlite ];
+  nativeBuildInputs = [ pkg-config ];
+  cargoSha256 = "13q61bb4b1q40g424pbssyp3ln79q1a33vmyz9s9wlqnac34cibd";
+}
diff --git a/nixos/modules/programs/command-not-found/rust/Cargo.lock b/nixos/modules/programs/command-not-found/rust/Cargo.lock
new file mode 100644
index 0000000000000..ce3a9358c5c2d
--- /dev/null
+++ b/nixos/modules/programs/command-not-found/rust/Cargo.lock
@@ -0,0 +1,131 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "bitflags"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "command-not-found"
+version = "0.1.0"
+dependencies = [
+ "rusqlite 0.23.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "fallible-iterator"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "fallible-streaming-iterator"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "libc"
+version = "0.2.70"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "libsqlite3-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "linked-hash-map"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "lru-cache"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "linked-hash-map 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "memchr"
+version = "2.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "pkg-config"
+version = "0.3.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "rusqlite"
+version = "0.23.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fallible-iterator 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fallible-streaming-iterator 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsqlite3-sys 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "smallvec"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "time"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.70 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "vcpkg"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "winapi"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[metadata]
+"checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
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+"checksum fallible-streaming-iterator 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a"
+"checksum libc 0.2.70 (registry+https://github.com/rust-lang/crates.io-index)" = "3baa92041a6fec78c687fa0cc2b3fae8884f743d672cf551bed1d6dac6988d0f"
+"checksum libsqlite3-sys 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1e704a02bcaecd4a08b93a23f6be59d0bd79cd161e0963e9499165a0a35df7bd"
+"checksum linked-hash-map 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
+"checksum lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "31e24f1ad8321ca0e8a1e0ac13f23cb668e6f5466c2c57319f6a5cf1cc8e3b1c"
+"checksum memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
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+"checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
+"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/nixos/modules/programs/command-not-found/rust/Cargo.toml b/nixos/modules/programs/command-not-found/rust/Cargo.toml
new file mode 100644
index 0000000000000..f965c7df76a5d
--- /dev/null
+++ b/nixos/modules/programs/command-not-found/rust/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "command-not-found"
+version = "0.1.0"
+edition = "2018"
+
+[dependencies]
+rusqlite = "0.*.*"
+
+[profile.release]
+lto = true
diff --git a/nixos/modules/programs/command-not-found/rust/src/main.rs b/nixos/modules/programs/command-not-found/rust/src/main.rs
new file mode 100644
index 0000000000000..7d24e42ed2959
--- /dev/null
+++ b/nixos/modules/programs/command-not-found/rust/src/main.rs
@@ -0,0 +1,52 @@
+use rusqlite::{params, Connection, Result};
+use std::env;
+use std::process::exit;
+
+const NIX_SYSTEM: &str = env!("NIX_SYSTEM");
+const DB_PATH: &str = env!("DB_PATH");
+
+fn query_packages(system: &str, program: &str) -> Result<Vec<String>> {
+    Connection::open(DB_PATH)?
+        .prepare("select package from Programs where system = ? and name = ?;")?
+        .query_map(params![system, program], |row| row.get("package"))?
+        .collect::<Result<Vec<String>>>()
+}
+
+fn run_app() -> i32 {
+    let args: Vec<_> = env::args().collect();
+    if args.len() < 2 {
+        eprintln!("USAGE: {} PROGRAMNAME", args[0]);
+        return 1;
+    }
+    let program = &args[1];
+    let system = env::var("NIX_SYSTEM").unwrap_or_else(|_| NIX_SYSTEM.to_string());
+    let packages = match query_packages(&system, program) {
+        Ok(packages) => packages,
+        Err(err) => {
+            eprintln!("Failed to query package database: {}", err);
+            return 1;
+        }
+    };
+    if packages.is_empty() {
+        eprintln!("{}: command not found", program);
+    } else {
+        let advice = if packages.len() > 1 {
+            "It is provided by several packages. You can install it by typing one of the following commands:"
+        } else {
+            "You can install it by typing:"
+        };
+        eprintln!(
+            "The program '{}' is currently not installed. {}",
+            program, advice
+        );
+        for pkg in packages {
+            eprintln!("  nix-env -iA nixos.{}", pkg);
+        }
+    }
+
+    127
+}
+
+fn main() {
+    exit(run_app());
+}