diff --git a/gestion/ipt.py b/gestion/ipt.py
index e3a57472..eb5459dd 100755
--- a/gestion/ipt.py
+++ b/gestion/ipt.py
@@ -451,7 +451,7 @@ def iface6(net):
     subnet = netaddr.IPNetwork(prefix[net][0])
     i = 0
     while i < len(output):
-        if re.match('^[0-9]:', output[i]):
+        if re.match('^[0-9]+:', output[i]):
             dev = re.sub('(@.*|:)', '', output[i].split()[1])
             i = i + 1
             while (i < len(output)) and ('inet6' in output[i]):