diff --git a/packages/graphql/lib/utils/transform-schema.util.ts b/packages/graphql/lib/utils/transform-schema.util.ts
index 5a267417d..9a350fcc2 100644
--- a/packages/graphql/lib/utils/transform-schema.util.ts
+++ b/packages/graphql/lib/utils/transform-schema.util.ts
@@ -102,7 +102,7 @@ export function transformSchema(
         fields: () => replaceFields(config.fields),
       });
 
-      if (type.extensions.apollo?.subgraph?.resolveReference) {
+      if (type.extensions?.apollo?.subgraph?.resolveReference) {
         objectType.extensions = {
           ...objectType.extensions,
           apollo: {