diff --git a/pkgs/misc/emulators/wine/staging.nix b/pkgs/misc/emulators/wine/staging.nix
index abfc4f832a3b..c6bdb4012457 100644
--- a/pkgs/misc/emulators/wine/staging.nix
+++ b/pkgs/misc/emulators/wine/staging.nix
@@ -12,7 +12,7 @@ in assert lib.getVersion wineUnstable == patch.version;
 
   name = "${self.name}-staging";
 
-  postPatch = self.postPatch or "" + ''
+  prePatch = self.prePatch or "" + ''
     patchShebangs tools
     cp -r ${patch}/patches .
     chmod +w patches