diff --git a/src/bin/cargo/commands/check.rs b/src/bin/cargo/commands/check.rs
index c9bbac1e74a..2edb6089c1b 100644
--- a/src/bin/cargo/commands/check.rs
+++ b/src/bin/cargo/commands/check.rs
@@ -4,6 +4,8 @@ use cargo::ops;
 
 pub fn cli() -> App {
     subcommand("check")
+        // subcommand aliases are handled in commands::builtin_exec() and cli::expand_aliases()
+        // .alias("c")
         .about("Check a local package and all of its dependencies for errors")
         .arg_package_spec(
             "Package(s) to check",
diff --git a/src/bin/cargo/commands/mod.rs b/src/bin/cargo/commands/mod.rs
index 6e3670f84a5..3f7e4bf26e2 100644
--- a/src/bin/cargo/commands/mod.rs
+++ b/src/bin/cargo/commands/mod.rs
@@ -44,7 +44,7 @@ pub fn builtin_exec(cmd: &str) -> Option<BuiltinExec> {
     let exec = match cmd {
         "bench" => bench::exec,
         "build" | "b" => build::exec,
-        "check" => check::exec,
+        "check" | "c" => check::exec,
         "clean" => clean::exec,
         "doc" => doc::exec,
         "fetch" => fetch::exec,
@@ -77,6 +77,7 @@ pub fn builtin_exec(cmd: &str) -> Option<BuiltinExec> {
 
     let alias_for = match cmd {
         "b" => Some("build"),
+        "c" => Some("check"),
         "r" => Some("run"),
         "t" => Some("test"),
         _ => None,