diff --git a/cloudflare-ddns.py b/cloudflare-ddns.py
index 40920b6..235d615 100755
--- a/cloudflare-ddns.py
+++ b/cloudflare-ddns.py
@@ -43,6 +43,8 @@ def deleteEntries(type):
         print("😡 Error deleting " + type + " record(s)")
 
 def getIPs():
+    global shown_ipv4_warning
+    global shown_ipv6_warning
     a = None
     aaaa = None
     try: