diff --git a/libs/tools/generator/components/src/util.ts b/libs/tools/generator/components/src/util.ts
index 2049a285e2..d6cd4e6fba 100644
--- a/libs/tools/generator/components/src/util.ts
+++ b/libs/tools/generator/components/src/util.ts
@@ -63,7 +63,7 @@ function getConstraint<Key extends keyof AnyConstraint>(
 ) {
   if (policy && key in policy) {
     return policy[key] ?? config[key];
-  } else if (key in config) {
+  } else if (config && key in config) {
     return config[key];
   }
 }