diff --git a/tools/miaou-exec b/tools/miaou-exec
index 9c1480b..227c2e7 100755
--- a/tools/miaou-exec
+++ b/tools/miaou-exec
@@ -3,7 +3,7 @@
 # CONSTANTS
 
 BASEDIR=$(dirname "$0")
-CONTAINER=''
+CONTAINER=
 COMMAND_LINE=()
 
 # FUNCTIONS