diff --git a/modules/common/default.nix b/modules/common/default.nix
index eb4c98e..20a0444 100644
--- a/modules/common/default.nix
+++ b/modules/common/default.nix
@@ -21,7 +21,7 @@ in
   };
 
   config = {
-    system.stateVersion = "25.05";
+    system.stateVersion = lib.mkDefault "25.05";
 
     nix = {
       optimise = {