diff --git a/dyndomain b/dyndomain
index ada442a..96b6c92 100755
--- a/dyndomain
+++ b/dyndomain
@@ -71,6 +71,8 @@ def get_wan_addr():
     wan = dict()
     wan['ipv4'] = r['data']['IPAddress']
     wan['ipv6'] = r['data']['IPv6Address']
+    if wan['ipv4'] == '0.0.0.0':
+        wan['ipv4'] = ''
     return wan