diff --git a/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm b/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm
index f89439734f..92358ecc74 100644
--- a/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm
+++ b/src/plugins/platforms/cocoa/qcocoaapplicationdelegate.mm
@@ -411,7 +411,7 @@ static void cleanupCocoaApplicationDelegate()
 {
     Q_UNUSED(replyEvent);
     NSString *urlString = [[event paramDescriptorForKeyword:keyDirectObject] stringValue];
-    QWindowSystemInterface::handleFileOpenEvent(QCFString::toQString(urlString));
+    QWindowSystemInterface::handleFileOpenEvent(QUrl(QCFString::toQString(urlString)));
 }
 
 - (void)appleEventQuit:(NSAppleEventDescriptor *)event withReplyEvent:(NSAppleEventDescriptor *)replyEvent