diff --git a/doc.go b/doc.go
index 155908f6..03599ce7 100644
--- a/doc.go
+++ b/doc.go
@@ -927,19 +927,23 @@ For example, with POSIX shells, you can use '[ -n "$LF_LEVEL" ] && PS1="$PS1""(l
 
 	OPENER
 
-If this variable is set in the environment, use the same value, otherwise set the value to 'start' in Windows, 'open' in MacOS, 'xdg-open' in others.
+If this variable is set in the environment, use the same value. Otherwise, this is set to 'start' in Windows, 'open' in MacOS, 'xdg-open' in others.
 
 	EDITOR
 
-If this variable is set in the environment, use the same value, otherwise set the value to 'vi' on Unix, 'notepad' in Windows.
+If this variable is set in the environment, use the same value. Otherwise, this is set to 'vi' on Unix, 'notepad' in Windows.
 
 	PAGER
 
-If this variable is set in the environment, use the same value, otherwise set the value to 'less' on Unix, 'more' in Windows.
+If this variable is set in the environment, use the same value. Otherwise, this is set to 'less' on Unix, 'more' in Windows.
 
 	SHELL
 
-If this variable is set in the environment, use the same value, otherwise set the value to 'sh' on Unix, 'cmd' in Windows.
+If this variable is set in the environment, use the same value. Otherwise, this is set to 'sh' on Unix, 'cmd' in Windows.
+
+	lf
+
+Absolute path to the currently running lf binary, if it can be found. Otherwise, this is set to the string 'lf'.
 
 	lf_{option}
 
diff --git a/docstring.go b/docstring.go
index 979f85d6..0104fd31 100644
--- a/docstring.go
+++ b/docstring.go
@@ -990,23 +990,28 @@ $LF_LEVEL) "' in your shell configuration file (e.g. '~/.bashrc').
 
     OPENER
 
-If this variable is set in the environment, use the same value, otherwise set
-the value to 'start' in Windows, 'open' in MacOS, 'xdg-open' in others.
+If this variable is set in the environment, use the same value. Otherwise,
+this is set to 'start' in Windows, 'open' in MacOS, 'xdg-open' in others.
 
     EDITOR
 
-If this variable is set in the environment, use the same value, otherwise set
-the value to 'vi' on Unix, 'notepad' in Windows.
+If this variable is set in the environment, use the same value. Otherwise,
+this is set to 'vi' on Unix, 'notepad' in Windows.
 
     PAGER
 
-If this variable is set in the environment, use the same value, otherwise set
-the value to 'less' on Unix, 'more' in Windows.
+If this variable is set in the environment, use the same value. Otherwise,
+this is set to 'less' on Unix, 'more' in Windows.
 
     SHELL
 
-If this variable is set in the environment, use the same value, otherwise set
-the value to 'sh' on Unix, 'cmd' in Windows.
+If this variable is set in the environment, use the same value. Otherwise,
+this is set to 'sh' on Unix, 'cmd' in Windows.
+
+    lf
+
+Absolute path to the currently running lf binary, if it can be found. Otherwise,
+this is set to the string 'lf'.
 
     lf_{option}
 
diff --git a/lf.1 b/lf.1
index 30414c4f..9506166a 100644
--- a/lf.1
+++ b/lf.1
@@ -1122,25 +1122,31 @@ The value of this variable is set to the current nesting level when you run lf f
     OPENER
 .EE
 .PP
-If this variable is set in the environment, use the same value, otherwise set the value to 'start' in Windows, 'open' in MacOS, 'xdg-open' in others.
+If this variable is set in the environment, use the same value. Otherwise, this is set to 'start' in Windows, 'open' in MacOS, 'xdg-open' in others.
 .PP
 .EX
     EDITOR
 .EE
 .PP
-If this variable is set in the environment, use the same value, otherwise set the value to 'vi' on Unix, 'notepad' in Windows.
+If this variable is set in the environment, use the same value. Otherwise, this is set to 'vi' on Unix, 'notepad' in Windows.
 .PP
 .EX
     PAGER
 .EE
 .PP
-If this variable is set in the environment, use the same value, otherwise set the value to 'less' on Unix, 'more' in Windows.
+If this variable is set in the environment, use the same value. Otherwise, this is set to 'less' on Unix, 'more' in Windows.
 .PP
 .EX
     SHELL
 .EE
 .PP
-If this variable is set in the environment, use the same value, otherwise set the value to 'sh' on Unix, 'cmd' in Windows.
+If this variable is set in the environment, use the same value. Otherwise, this is set to 'sh' on Unix, 'cmd' in Windows.
+.PP
+.EX
+    lf
+.EE
+.PP
+Absolute path to the currently running lf binary, if it can be found. Otherwise, this is set to the string 'lf'.
 .PP
 .EX
     lf_{option}
diff --git a/main.go b/main.go
index 301e8b4f..24f37b11 100644
--- a/main.go
+++ b/main.go
@@ -79,6 +79,13 @@ func exportEnvVars() {
 	level++
 
 	os.Setenv("LF_LEVEL", strconv.Itoa(level))
+
+	lfPath, err := os.Executable()
+	if err != nil {
+		log.Printf("getting path to lf binary: %s", err)
+		lfPath = "lf"
+	}
+	os.Setenv("lf", lfPath)
 }
 
 // used by exportOpts below
diff --git a/os.go b/os.go
index 222c0bf1..75f6ea9f 100644
--- a/os.go
+++ b/os.go
@@ -159,7 +159,7 @@ func setDefaults() {
 	gOpts.keys["i"] = &execExpr{"$", `$PAGER "$f"`}
 	gOpts.keys["w"] = &execExpr{"$", "$SHELL"}
 
-	gOpts.cmds["doc"] = &execExpr{"$", "lf -doc | $PAGER"}
+	gOpts.cmds["doc"] = &execExpr{"$", `"$lf" -doc | $PAGER`}
 	gOpts.keys["<f-1>"] = &callExpr{"doc", nil, 1}
 }
 
diff --git a/os_windows.go b/os_windows.go
index 1852c869..4c635fa5 100644
--- a/os_windows.go
+++ b/os_windows.go
@@ -115,7 +115,7 @@ func setDefaults() {
 	gOpts.keys["i"] = &execExpr{"!", "%PAGER% %f%"}
 	gOpts.keys["w"] = &execExpr{"$", "%SHELL%"}
 
-	gOpts.cmds["doc"] = &execExpr{"!", "lf -doc | %PAGER%"}
+	gOpts.cmds["doc"] = &execExpr{"!", "%lf% -doc | %PAGER%"}
 	gOpts.keys["<f-1>"] = &callExpr{"doc", nil, 1}
 }