diff --git a/default.nix b/default.nix
index faed7e26354037f..627ae7828dc7656 100644
--- a/default.nix
+++ b/default.nix
@@ -1,4 +1,4 @@
-let requiredVersion = import ./lib/minver.nix; in
+aoeulet requiredVersion = import ./lib/minver.nix; in
 
 if ! builtins ? nixVersion || builtins.compareVersions requiredVersion builtins.nixVersion == 1 then