diff --git a/pkgs/applications/kde/kate.nix b/pkgs/applications/kde/kate.nix
index 713d7dbe830c..c2ce303e3b5f 100644
--- a/pkgs/applications/kde/kate.nix
+++ b/pkgs/applications/kde/kate.nix
@@ -20,9 +20,9 @@ mkDerivation {
   # kwrite defaults for anything considered text/plain. Resetting to
   # 1, which is the default.
   postPatch = ''
-    substituteInPlace kate/data/org.kde.kate.desktop \
+    substituteInPlace apps/kate/data/org.kde.kate.desktop \
       --replace InitialPreference=9 InitialPreference=1
-    substituteInPlace kwrite/data/org.kde.kwrite.desktop \
+    substituteInPlace apps/kwrite/data/org.kde.kwrite.desktop \
       --replace InitialPreference=8 InitialPreference=1
   '';