diff --git a/openglcanvas.cpp b/openglcanvas.cpp
index 566ea513f277c1fe00c5c2b9aab7d3eee4df7e8c..b05e16605d5fd7cad1d43181be3d1f5f8af60f68 100644
--- a/openglcanvas.cpp
+++ b/openglcanvas.cpp
@@ -677,7 +677,7 @@ void OpenGLCanvas::mouseMoveEvent(QMouseEvent *event){
 
 void OpenGLCanvas::wheelEvent(QWheelEvent *event){
     if(event->orientation()==Qt::Vertical){
-        if(event->modifiers()==Qt::ControlModifier){
+        if(event->modifiers()==Qt::ShiftModifier){
             change_fov_max(fov_max+((double)event->delta())/30);
         }else{
             change_fov(fov+((double)event->delta())/30);