diff --git a/uninstall-linupx.sh b/uninstall-linupx.sh
index 26a69a5..ed98da6 100755
--- a/uninstall-linupx.sh
+++ b/uninstall-linupx.sh
@@ -16,9 +16,11 @@ do_with_root set -eu
 do_with_root rm -f /usr/local/bin/runup
 do_with_root rm -Rf /opt/idssys/LinUPx
 
-IDSSYSF="`ls -l /opt/idssys/ | grep -c ^d`"
-if [ "$IDSSYSF" = 1 ]; then
-	do_with_root rm -Rf /opt/idssys	
+if [ -d "/opt/idssys" ]; then
+	IDSSYSF="`ls -l /opt/idssys/ | grep -c ^d`"
+	if [ "$IDSSYSF" = 1 ]; then
+		do_with_root rm -Rf /opt/idssys	
+	fi
 fi
 
 echo ""