diff --git a/.github/workflows/integration-tests.yml b/.github/workflows/integration-tests.yml
index 7260b00b4..95986dab4 100644
--- a/.github/workflows/integration-tests.yml
+++ b/.github/workflows/integration-tests.yml
@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - master
+  pull_request:
 
 jobs:
   integration_tests:
diff --git a/api_integration_test.go b/api_integration_test.go
index a487f588a..3084268e6 100644
--- a/api_integration_test.go
+++ b/api_integration_test.go
@@ -211,7 +211,7 @@ func TestChatCompletionResponseFormat_JSONSchema(t *testing.T) {
 			},
 			ResponseFormat: &openai.ChatCompletionResponseFormat{
 				Type: openai.ChatCompletionResponseFormatTypeJSONSchema,
-				JSONSchema: openai.ChatCompletionResponseFormatJSONSchema{
+				JSONSchema: &openai.ChatCompletionResponseFormatJSONSchema{
 					Name: "cases",
 					Schema: jsonschema.Definition{
 						Type: jsonschema.Object,