diff --git a/npm/ng-packs/packages/schematics/src/utils/model.ts b/npm/ng-packs/packages/schematics/src/utils/model.ts
index e2213cb37c..4e5431da60 100644
--- a/npm/ng-packs/packages/schematics/src/utils/model.ts
+++ b/npm/ng-packs/packages/schematics/src/utils/model.ts
@@ -190,7 +190,7 @@ export function createRefToImportReducerCreator(params: ModelGeneratorParams) {
 }
 
 function isOptionalProperty(prop: PropertyDef) {
-  return !prop.isRequired && prop.isNullable;
+  return !prop.isRequired;
 }
 
 export function parseBaseTypeWithGenericTypes(type: string): string[] {