diff --git a/test/functional/abc-p2p-avalanche.py b/test/functional/abc-p2p-avalanche.py
--- a/test/functional/abc-p2p-avalanche.py
+++ b/test/functional/abc-p2p-avalanche.py
@@ -173,8 +173,8 @@
 
         # Create a fork 2 blocks deep. This should trigger polling.
         fork_node.invalidateblock(fork_node.getblockhash(100))
-        fork_node.generatetoaddress(
-            2, 'bchreg:pqv2r67sgz3qumufap3h2uuj0zfmnzuv8v7ej0fffv')
+        fork_address = fork_node.get_deterministic_priv_key().address
+        fork_node.generatetoaddress(2, fork_address)
 
         def can_find_block_in_poll(hash):
             poll_node.wait_for_avapoll()