diff --git a/src/Gui/View3DInventor.cpp b/src/Gui/View3DInventor.cpp
index 735ab91bc..c7dd94746 100644
--- a/src/Gui/View3DInventor.cpp
+++ b/src/Gui/View3DInventor.cpp
@@ -292,8 +292,8 @@ void View3DInventor::OnChange(ParameterGrp::SubjectType &rCaller,ParameterGrp::M
         bool on = rGrp.GetBool("ZoomAtCursor", false);
         _viewer->navigationStyle()->setZoomAtCursor(on);
     }
-    else if (strcmp(Reason,"ZoomSetp") == 0) {
-        float val = rGrp.GetFloat("ZoomSetp", 0.0f);
+    else if (strcmp(Reason,"ZoomStep") == 0) {
+        float val = rGrp.GetFloat("ZoomStep", 0.0f);
         _viewer->navigationStyle()->setZoomStep(val);
     }
     else if (strcmp(Reason,"EyeDistance") == 0) {