diff --git a/cmd/gitk.cmd b/cmd/gitk.cmd
index 71ff96bd..a89a26b5 100644
--- a/cmd/gitk.cmd
+++ b/cmd/gitk.cmd
@@ -1,5 +1,12 @@
 @rem Do not use "echo off" to not affect any child calls.
+
+@rem Enable extensions, the `verify other 2>nul` is a trick from the setlocal help
+@verify other 2>nul
 @setlocal enableDelayedExpansion
+@if errorlevel 1 (
+    @echo Unable to enable delayed expansion. Immediate expansion will be used.
+    @goto fallback
+)
 
 @rem Get the absolute path to the parent directory, which is assumed to be the
 @rem Git installation root.
@@ -10,3 +17,18 @@
 @if not exist "!HOME!" @set HOME=!USERPROFILE!
 
 @start "gitk" wish.exe "!git_install_root!\bin\gitk" -- %*
+@goto end
+
+:fallback
+@rem The above script again with immediate expansion, in case delayed expansion
+@rem is unavailable.
+@for /F "delims=" %%I in ("%~dp0..") do @set git_install_root=%%~fI
+@set PATH=%git_install_root%\bin;%git_install_root%\mingw\bin;%PATH%
+
+@if not exist "%HOME%" @set HOME=%HOMEDRIVE%%HOMEPATH%
+@if not exist "%HOME%" @set HOME=%USERPROFILE%
+
+@start "gitk" wish.exe "%git_install_root%\bin\gitk" -- %*
+
+:end
+@rem End of script