diff --git a/wpe/src/main/cpp/Browser/Page.cpp b/wpe/src/main/cpp/Browser/Page.cpp
index b12926a42..516bdc105 100644
--- a/wpe/src/main/cpp/Browser/Page.cpp
+++ b/wpe/src/main/cpp/Browser/Page.cpp
@@ -87,7 +87,7 @@ class JNIPageCache final : public JNI::TypedClass<JNIPage> {
 
     static gboolean onScriptDialog(Page* page, WebKitScriptDialog* dialog, WebKitWebView* webView)
     {
-        auto dialogPtr = static_cast<jlong>(webkit_script_dialog_ref(dialog));
+        auto dialogPtr = reinterpret_cast<jlong>(webkit_script_dialog_ref(dialog));
         auto jActiveURL = JNI::String(webkit_web_view_get_uri(webView));
         auto jMessage = JNI::String(webkit_script_dialog_get_message(dialog));
         callJavaMethod(getJNIPageCache().m_onScriptDialog, page->m_pageJavaInstance.get(), dialogPtr,