diff --git a/debian/wit-network-config.postinst b/debian/wit-network-config.postinst
index 3383496..b789c0b 100755
--- a/debian/wit-network-config.postinst
+++ b/debian/wit-network-config.postinst
@@ -31,8 +31,8 @@ case "$1" in
 	export TIER_ID=$(echo $LOOPBACKv4 | cut -d . -f 3)
 	export NODE_ID=$(echo $LOOPBACKv4 | cut -d . -f 4)
 
-	if [ -z $LOOPBACKv4 ] || [ -z $LOOPaBACKv6 ]; then
-	    echo "unable to find my LOOPBACK IP: $LOOPBACKv4/$LOOPaBACKv6"
+	if [ -z $LOOPBACKv4 ] || [ -z $LOOPBACKv6 ]; then
+	    echo "unable to find my LOOPBACK IP: $LOOPBACKv4/$LOOPBACKv6"
 	    exit 2
         fi
         if [ -z "$TIER_ID" ] || [ -z "$NODE_ID" ]; then