diff --git a/src/osgVolume/Property.cpp b/src/osgVolume/Property.cpp
index 371c24a99..33987cc68 100644
--- a/src/osgVolume/Property.cpp
+++ b/src/osgVolume/Property.cpp
@@ -403,6 +403,7 @@ bool PropertyAdjustmentCallback::handle(const osgGA::GUIEventAdapter& ea,osgGA::
         case(osgGA::GUIEventAdapter::DRAG):
         {
             passOnUpdates = true;
+            break;
         }
         case(osgGA::GUIEventAdapter::KEYDOWN):
         {