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
@@ -85,7 +85,7 @@
 
         # Build a fake quorum of nodes.
         quorum = []
-        for i in range(0, 8):
+        for i in range(0, 16):
             n = TestNode()
             quorum.append(n)