diff --git a/gb.qt4/src/CWidget.cpp b/gb.qt4/src/CWidget.cpp
index fd0057ce7..d7281bd39 100644
--- a/gb.qt4/src/CWidget.cpp
+++ b/gb.qt4/src/CWidget.cpp
@@ -3118,18 +3118,20 @@ bool CWidget::eventFilter(QObject *widget, QEvent *event)
 				{
 					MOUSE_info.orientation = Qt::Horizontal;
 					MOUSE_info.delta = delta.x();
+					cancel = GB.Raise(control, EVENT_MouseWheel, 0);
 				}
-				else
+				if (delta.y())
 				{
 					MOUSE_info.orientation = Qt::Vertical;
 					MOUSE_info.delta = delta.y();
+					cancel = GB.Raise(control, EVENT_MouseWheel, 0);
 				}
 #else
 				MOUSE_info.orientation = ev->orientation();
 				MOUSE_info.delta = ev->delta();
+				cancel = GB.Raise(control, EVENT_MouseWheel, 0);
 #endif
 
-				cancel = GB.Raise(control, EVENT_MouseWheel, 0);
 
 				CMOUSE_clear(false);
 				
diff --git a/gb.qt4/src/ctrayicon.cpp b/gb.qt4/src/ctrayicon.cpp
index 693e3daaa..bcffb84d0 100644
--- a/gb.qt4/src/ctrayicon.cpp
+++ b/gb.qt4/src/ctrayicon.cpp
@@ -389,10 +389,17 @@ bool TrayIconManager::eventFilter(QObject *o, QEvent *e)
 		CTRAYICON *_object = find_trayicon(o);
 		if (THIS)
 		{
-			bool cancel;
+			bool cancel = true;
 			QWheelEvent *ev = (QWheelEvent *)e;
 			
+#ifdef QT5
+			if (ev->angleDelta().x())
+				cancel = GB.Raise(THIS, EVENT_Scroll, 2, GB_T_FLOAT, ev->angleDelta().x() / 120.0, GB_T_INTEGER, false);
+			if (ev->angleDelta().y())
+				cancel = GB.Raise(THIS, EVENT_Scroll, 2, GB_T_FLOAT, ev->angleDelta().y() / 120.0, GB_T_INTEGER, true);
+#else
 			cancel = GB.Raise(THIS, EVENT_Scroll, 2, GB_T_FLOAT, ev->delta() / 120.0, GB_T_INTEGER, ev->orientation() == Qt::Vertical);
+#endif
 			
 			if (cancel)
 				return true;