diff --git a/scripts/_common.sh b/scripts/_common.sh
index 3d26a9c..03af121 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -9,8 +9,7 @@
 #=================================================
 
 is_public_ip(){
-	local IP
-    IP="$1"
+	local IP="$1"
 	if [[ "$IP" =~ ^10.*|^169.*|^172.*|^192.168.* ]] ; then
 		# private ipv4, so false
         return 1