diff --git a/pkgs/applications/window-managers/i3/default.nix b/pkgs/applications/window-managers/i3/default.nix
index 536f76dbc50..b5869ccaf8d 100644
--- a/pkgs/applications/window-managers/i3/default.nix
+++ b/pkgs/applications/window-managers/i3/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     perlPackages.ExtUtilsPkgConfig perlPackages.TestMore perlPackages.InlineC
   ];
 
-  patchPhase = ''
+  postPatch = ''
     patchShebangs .
   '';