diff --git a/src/webview-utils.ios.ts b/src/webview-utils.ios.ts
index a676985..f9a3c3a 100644
--- a/src/webview-utils.ios.ts
+++ b/src/webview-utils.ios.ts
@@ -29,7 +29,7 @@ class WebviewUtilsWKNavigationDelegateImpl extends NSObject implements WKNavigat
     });
 
     if (isHttpRequest && !areHeadersAdded) {
-      if (navigationAction.request.HTTPMethod !== "GET") {
+      if (navigationAction.request.HTTPMethod !== "GET" || (navigationAction.targetFrame && !navigationAction.targetFrame.mainFrame)) {
         decisionHandler(WKNavigationActionPolicy.Allow);
         return;
       }