diff --git a/qad/widgets/session_manager.cpp b/qad/widgets/session_manager.cpp
index 8f53ab2..ce17342 100644
--- a/qad/widgets/session_manager.cpp
+++ b/qad/widgets/session_manager.cpp
@@ -208,10 +208,18 @@ QMap<const QMetaObject *, QByteArray> SessionManager::metaFunctions(const QSet<Q
 		if (!funcs.contains(mo)) {
 			for (int i = 0; i < mo->methodCount(); ++i) {
 				QMetaMethod mm = mo->method(i);
-				if (mm.name() == fname) {
+				QString mmn =
+#if QT_VERSION >= 0x050000
+							mm.name();
+#else
+							mm.signature();
+				mmn = mmn.left(mmn.indexOf("("));
+#endif
+
+				if (mmn == fname) {
 					if (mm.parameterTypes().size() > 0) {
 						if (mm.parameterTypes()[0] == "QByteArray*") {
-							fn = mm.name();
+							fn = mmn;
 						}
 					}
 				}