diff --git a/gramps/gramps.sh.in b/gramps/gramps.sh.in
index 9cf50d138..90ae53cd8 100644
--- a/gramps/gramps.sh.in
+++ b/gramps/gramps.sh.in
@@ -8,7 +8,7 @@ export PYTHONPATH=$GRAMPSDIR
 export GRAMPSI18N=@prefix@/share/locale
 
 if [ -f /usr/X11R6/lib/libX11.so ] ; then
-    export LIB_PRELOAD=/usr/X11R6/lib/libX11.so
+    export LD_PRELOAD=/usr/X11R6/lib/libX11.so
 fi
 
 @PYTHON@ $GRAMPSDIR/gramps.py $*