diff --git a/ios/MBXViewController.mm b/ios/MBXViewController.mm
index 26f9adf6c..b70293495 100644
--- a/ios/MBXViewController.mm
+++ b/ios/MBXViewController.mm
@@ -408,7 +408,7 @@ namespace llmr
 
                 Response res;
 
-                if ( ! error)
+                if ( ! error && [response isKindOfClass:[NSHTTPURLResponse class]])
                 {
                     res.code = [(NSHTTPURLResponse *)response statusCode];
                     res.body = { (const char *)[data bytes], [data length] };
diff --git a/macosx/main.mm b/macosx/main.mm
index dc65b7560..973db9a86 100644
--- a/macosx/main.mm
+++ b/macosx/main.mm
@@ -246,7 +246,7 @@ Request request_http(std::string url, std::function<void(Response&)> background_
     {
         Response res;
 
-        if ( ! error)
+        if ( ! error && [response isKindOfClass:[NSHTTPURLResponse class]])
         {
             res.code = [(NSHTTPURLResponse *)response statusCode];
             res.body = { (const char *)[data bytes], [data length] };