diff --git a/libs/driver/magento/src/errors/transform-graphql.spec.ts b/libs/driver/magento/src/errors/transform-graphql.spec.ts
index 2fc8e971db..f0c61609db 100644
--- a/libs/driver/magento/src/errors/transform-graphql.spec.ts
+++ b/libs/driver/magento/src/errors/transform-graphql.spec.ts
@@ -1,5 +1,3 @@
-import { ApolloError } from '@apollo/client/core';
-
 import {
   DaffError,
   DaffErrorCodeMap,
@@ -60,6 +58,12 @@ describe('@daffodil/driver/magento | daffMagentoTransformGraphQlError', () => {
   });
 
   it('should not crash if the extension is not defined', () => {
+    const { extensions, ...error } = unhandledGraphQlError;
+    expect(() => daffMagentoTransformGraphQlError(error, map)).not.toThrow();
+    expect(daffMagentoTransformGraphQlError(error, map)).toEqual(new DaffDriverMagentoError('An error we don\'t handle'));
+  });
+
+  it('should not crash if there are no extensions defined', () => {
     const error = { ...unhandledGraphQlError, extensions: {}};
     expect(() => daffMagentoTransformGraphQlError(error, map)).not.toThrow();
   });
diff --git a/libs/driver/magento/src/errors/transform-graphql.ts b/libs/driver/magento/src/errors/transform-graphql.ts
index 0ea549a653..c67fd06345 100644
--- a/libs/driver/magento/src/errors/transform-graphql.ts
+++ b/libs/driver/magento/src/errors/transform-graphql.ts
@@ -11,7 +11,7 @@ export function daffMagentoTransformGraphQlError<T extends DaffErrorCodeMap>(
   error: GraphQLError,
   map: T,
 ): DaffError {
-  const ErrorClass = map[error.extensions.category] || DaffDriverMagentoError;
+  const ErrorClass = map[error?.extensions?.category] || DaffDriverMagentoError;
 
   return new ErrorClass(error.message) ;
 };