diff --git a/ADconnection.sh b/ADconnection.sh
index 728dcaf..a333512 100644
--- a/ADconnection.sh
+++ b/ADconnection.sh
@@ -470,7 +470,7 @@ clear
 	read opt
 while [ opt != '' ]
     do
-    if [[ $opt = "" ]]; then 
+    if [ $opt = "" ]; then 
             exit;
     else
         case $opt in