1 files changed, 1 insertions, 1 deletions
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java
index 2e8ad02d8..59ce28408 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java
@@ -429,7 +429,7 @@ public class GPUUISceneGLListener0A implements GLEventListener {
         @Override
         public void mouseWheelMoved(MouseEvent e) {
             if( !e.isShiftDown() ) {
-                zoom += 2f*e.getRotation()[0];
+                zoom += 2f*e.getRotation()[1]; // vertical: wheel
             }
         }
     }