diff --git a/modules/nix-darwin/system/default.nix b/modules/nix-darwin/system/default.nix
index e614c7c..4ae0491 100644
--- a/modules/nix-darwin/system/default.nix
+++ b/modules/nix-darwin/system/default.nix
@@ -175,7 +175,7 @@ in
 
         echo "Allow apps from anywhere"
         SPCTL="$(spctl --status)"
-        if ! [ "$\{SPCTL}" = "assessments disabled" ]; then
+        if ! [ "''$''\{SPCTL''\}" = "assessments disabled" ]; then
             sudo spctl --master-disable
         fi