diff --git a/src/osgViewer/View.cpp b/src/osgViewer/View.cpp
index 98072a966..ed29cdc15 100644
--- a/src/osgViewer/View.cpp
+++ b/src/osgViewer/View.cpp
@@ -1685,6 +1685,7 @@ bool DepthPartitionSettings::getDepthRange(osg::View& view, unsigned int partiti
 
             return false;
         }
+        default: return false;
     }
 }