diff --git a/install/usr/share/swarmlab.io/sec/swarmlab-sec b/install/usr/share/swarmlab.io/sec/swarmlab-sec
index 8341f7b..b5985d9 100755
--- a/install/usr/share/swarmlab.io/sec/swarmlab-sec
+++ b/install/usr/share/swarmlab.io/sec/swarmlab-sec
@@ -75,12 +75,16 @@ DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
 
 Wdir=$(pwd)
 
+if [ -d $Wdir/.env ]; then
+	echo ""
+else	
 cat << EOF > $Wdir/.env
 REGISTRY_ADDR=localhost
 REGISTRY_PORT=5000
 IMAGE_NAME=$HYBRID_NETWORK
 SSH_PORT=
 EOF
+fi
 
 . $Wdir/.env