diff --git a/test/functional/rpc_bind.py b/test/functional/rpc_bind.py
index 422783510be..517df5d9c3f 100755
--- a/test/functional/rpc_bind.py
+++ b/test/functional/rpc_bind.py
@@ -109,7 +109,7 @@ class RPCBindTest(BitcoinTestFramework):
             raise AssertionError("all_interfaces() returned no IPv4 interfaces")
         self.non_loopback_ip = None
         for name,ip in interfaces:
-            if ip != '127.0.0.1':
+            if not ip.startswith('127.'):
                 self.non_loopback_ip = ip
                 break
         if self.non_loopback_ip is None and self.options.run_nonloopback: