diff --git a/nixos/modules/services/desktop-managers/plasma6.nix b/nixos/modules/services/desktop-managers/plasma6.nix
index af7b27f28e26..eca4862b16f1 100644
--- a/nixos/modules/services/desktop-managers/plasma6.nix
+++ b/nixos/modules/services/desktop-managers/plasma6.nix
@@ -12,7 +12,7 @@
 
   activationScript = ''
     # will be rebuilt automatically
-    rm -fv $HOME/.cache/ksycoca*
+    rm -fv "$HOME/.cache/ksycoca"*
   '';
 in {
   options = {