diff --git a/src/dv/dataviewer.sh.cmake b/src/dv/dataviewer.sh.cmake
index 23fd10aa1edf5249ae0c99e0303d84b95ff4cc2b..849854ebf65b2a0a302def266f472aac964f574e 100644
--- a/src/dv/dataviewer.sh.cmake
+++ b/src/dv/dataviewer.sh.cmake
@@ -11,6 +11,10 @@ else
 fi
 export GRACE_HOME
 export LANG=C
+if [ -z "${LIGONDSIP}" ]; then
+    echo "Your environment is not setup.  Plese set LIGONDSIP"
+    exit 1
+fi
 PATH=${PATH}:${GRACE_HOME}/bin
 $DVPATH/dv -s ${LIGONDSIP} -a $$ -b $DVPATH $*
 /bin/rm -f -r /tmp/$$DC