diff --git a/__tests__/resources/example-pet-api.openapi.yml b/__tests__/resources/example-pet-api.openapi.yml
index 90c8f0b..413f82b 100644
--- a/__tests__/resources/example-pet-api.openapi.yml
+++ b/__tests__/resources/example-pet-api.openapi.yml
@@ -19,6 +19,8 @@ paths:
       responses:
         '200':
           description: List of pets in database
+        default:
+          description: unexpected error
       parameters:
         - name: limit
           in: query
diff --git a/src/typegen/typegen.test.ts b/src/typegen/typegen.test.ts
index 6f601bf..17f0038 100644
--- a/src/typegen/typegen.test.ts
+++ b/src/typegen/typegen.test.ts
@@ -62,7 +62,7 @@ describe('generateTypesForDocument', () => {
     });
 
     test('types responses', () => {
-      expect(clientOperationTypes).toMatch(`OperationResponse<Paths.GetPets.Responses.$200>`);
+      expect(clientOperationTypes).toMatch(`OperationResponse<Paths.GetPets.Responses.$200 | Paths.GetPets.Responses.Default>`);
       expect(clientOperationTypes).toMatch('OperationResponse<Paths.CreatePet.Responses.$201>');
       expect(clientOperationTypes).toMatch('OperationResponse<Paths.GetPetById.Responses.$200>');
       expect(clientOperationTypes).toMatch('OperationResponse<Paths.ReplacePetById.Responses.$200>');
diff --git a/src/typegen/typegen.ts b/src/typegen/typegen.ts
index 7c0159c..05a6968 100644
--- a/src/typegen/typegen.ts
+++ b/src/typegen/typegen.ts
@@ -217,7 +217,7 @@ function generateMethodForClientOperation(
 
   // return type
   const responseTypePaths = _.chain(exportTypes)
-    .filter(({ schemaRef }) => schemaRef.startsWith(`#/paths/${normalizedOperationId}/responses/2`))
+    .filter(({ schemaRef }) => schemaRef.startsWith(`#/paths/${normalizedOperationId}/responses/2`) || schemaRef.startsWith(`#/paths/${normalizedOperationId}/responses/default`))
     .map(({ path }) => path)
     .value();
   const responseType = !_.isEmpty(responseTypePaths) ? responseTypePaths.join(' | ') : 'any';