diff --git a/scripts/_common.sh b/scripts/_common.sh
index 2f17b73..001d3f7 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -76,7 +76,7 @@ process_ips(){
             fi
     done
 
-    echo "$processed_ips"
+    echo "${processed_ips:-}"
 }
 
 update_agh_config(){