diff --git a/etc/apps/paraview3/cshrc b/etc/apps/paraview3/cshrc
index 33c863215e..fdd1e819cf 100644
--- a/etc/apps/paraview3/cshrc
+++ b/etc/apps/paraview3/cshrc
@@ -44,8 +44,8 @@ foreach cmake ( cmake-2.6.4 cmake-2.6.2 cmake-2.4.6 )
     endif
 end
 
-set paraviewMajor=paraview-3.6
-setenv ParaView_VERSION 3.6.1
+if ( ! $?ParaView_MAJOR ) setenv ParaView_MAJOR paraview-3.6
+if ( ! $?ParaView_VERSION ) setenv ParaView_VERSION 3.6.1
 
 setenv ParaView_INST_DIR $WM_THIRD_PARTY_DIR/paraview-$ParaView_VERSION
 setenv ParaView_DIR $ParaView_INST_DIR/platforms/$WM_ARCH$WM_COMPILER
@@ -54,9 +54,9 @@ setenv ParaView_DIR $ParaView_INST_DIR/platforms/$WM_ARCH$WM_COMPILER
 set paraviewPython=$ParaView_DIR/Utilities/VTKPythonWrapping
 if ( -r $paraviewPython ) then
     if ($?PYTHONPATH) then
-        setenv PYTHONPATH ${PYTHONPATH}:${paraviewPython}:$ParaView_DIR/lib/${paraviewMajor}
+        setenv PYTHONPATH ${PYTHONPATH}:${paraviewPython}:$ParaView_DIR/lib/${ParaView_MAJOR}
     else
-        setenv PYTHONPATH ${paraviewPython}:$ParaView_DIR/lib/${paraviewMajor}
+        setenv PYTHONPATH ${paraviewPython}:$ParaView_DIR/lib/${ParaView_MAJOR}
     endif
 endif
 
@@ -65,5 +65,5 @@ if ( -r $ParaView_INST_DIR ) then
     setenv PV_PLUGIN_PATH $FOAM_LIBBIN/paraview
 endif
 
-unset cmake paraviewMajor paraviewPython
+unset cmake paraviewPython
 # -----------------------------------------------------------------------------