diff --git a/pkgs/applications/window-managers/xmonad/wrapper.nix b/pkgs/applications/window-managers/xmonad/wrapper.nix
index 6f3d463adb28..bc7a5174e26b 100644
--- a/pkgs/applications/window-managers/xmonad/wrapper.nix
+++ b/pkgs/applications/window-managers/xmonad/wrapper.nix
@@ -3,7 +3,7 @@
 let
 xmonadEnv = ghcWithPackages (self: [ self.xmonad ] ++ packages self);
 in stdenv.mkDerivation {
-  name = "xmonad-with-packages";
+  name = "xmonad-with-packages-${xmonadEnv.version}";
 
   nativeBuildInputs = [ makeWrapper ];