diff --git a/linux-live/minioslib b/linux-live/minioslib
index 446c974..8407260 100644
--- a/linux-live/minioslib
+++ b/linux-live/minioslib
@@ -17,7 +17,7 @@ function common_variables() {
 
 	#
 	set +e
-	if [ -z $container ]; then
+	if [ ! -z $container ]; then
 		container = ""
 	fi
 	set -e