diff --git a/Source/Core/Core/AchievementManager.cpp b/Source/Core/Core/AchievementManager.cpp
index ac9d041b62..2b6015f382 100644
--- a/Source/Core/Core/AchievementManager.cpp
+++ b/Source/Core/Core/AchievementManager.cpp
@@ -384,6 +384,8 @@ AchievementManager::ResponseType AchievementManager::Request(
   rc_api_request_t api_request;
   Common::HttpRequest http_request;
   init_request(&api_request, &rc_request);
+  if (!api_request.post_data)
+    return ResponseType::INVALID_REQUEST;
   auto http_response = http_request.Post(api_request.url, api_request.post_data);
   rc_api_destroy_request(&api_request);
   if (http_response.has_value() && http_response->size() > 0)
diff --git a/Source/Core/Core/AchievementManager.h b/Source/Core/Core/AchievementManager.h
index b759386721..b5cf465915 100644
--- a/Source/Core/Core/AchievementManager.h
+++ b/Source/Core/Core/AchievementManager.h
@@ -26,6 +26,7 @@ public:
   {
     SUCCESS,
     MANAGER_NOT_INITIALIZED,
+    INVALID_REQUEST,
     INVALID_CREDENTIALS,
     CONNECTION_FAILED,
     UNKNOWN_FAILURE