diff --git a/src/main/java/com/tagtraum/perf/gcviewer/view/ModelChartImpl.java b/src/main/java/com/tagtraum/perf/gcviewer/view/ModelChartImpl.java
index 095caa04..72a9d845 100644
--- a/src/main/java/com/tagtraum/perf/gcviewer/view/ModelChartImpl.java
+++ b/src/main/java/com/tagtraum/perf/gcviewer/view/ModelChartImpl.java
@@ -186,7 +186,7 @@ private void maybePopup(MouseEvent e) {
         addMouseWheelListener(new MouseWheelListener() {
             @Override
             public void mouseWheelMoved(MouseWheelEvent e) {
-                if ((e.getModifiersEx() & InputEvent.SHIFT_DOWN_MASK) != 0) {
+                if ((e.getModifiersEx() & InputEvent.META_DOWN_MASK) != 0||(e.getModifiersEx() & InputEvent.CTRL_DOWN_MASK) != 0) {
                     double pos = (double)(getHorizontalScrollBar().getValue()) / (double)(chart.getWidth());
                     if (e.getWheelRotation() > 0 && getScaleFactor() < 100) {
                         setScaleFactor((getScaleFactor()*1.2));