diff --git a/pkgs/applications/graphics/gimp/default.nix b/pkgs/applications/graphics/gimp/default.nix
index 4423ca61ff17..3ce6c56d94bb 100644
--- a/pkgs/applications/graphics/gimp/default.nix
+++ b/pkgs/applications/graphics/gimp/default.nix
@@ -48,7 +48,7 @@
 , Cocoa
 , gtk-mac-integration-gtk2
 , withPython ? false
-, python2 ? null
+, python2
 }:
 
 let