diff --git a/test/functional/p2p_opportunistic_1p1c.py b/test/functional/p2p_opportunistic_1p1c.py
index f1d42d10ed2..77616de13e5 100755
--- a/test/functional/p2p_opportunistic_1p1c.py
+++ b/test/functional/p2p_opportunistic_1p1c.py
@@ -63,7 +63,7 @@ def cleanup(func):
         self.nodes[0].disconnect_p2ps()
         # Do not clear the node's mempool, as each test requires mempool min feerate > min
         # relay feerate. However, do check that this is the case.
-        assert self.nodes[0].getmempoolinfo()["mempoolminfee"] > self.nodes[0].getnetworkinfo()["relayfee"]
+        assert_greater_than(self.nodes[0].getmempoolinfo()["mempoolminfee"], self.nodes[0].getnetworkinfo()["relayfee"])
         # Ensure we do not try to spend the same UTXOs in subsequent tests, as they will look like RBF attempts.
         self.wallet.rescan_utxos(include_mempool=True)