diff --git a/test/functional/mempool_limit.py b/test/functional/mempool_limit.py
index 47f7efd3e7..5382fe439e 100755
--- a/test/functional/mempool_limit.py
+++ b/test/functional/mempool_limit.py
@@ -58,7 +58,7 @@ class MempoolLimitTest(BitcoinTestFramework):
         # specifically fund this tx with a fee < mempoolminfee, >= than minrelaytxfee
         txF = self.nodes[0].fundrawtransaction(tx, {'feeRate': relayfee})
         txFS = self.nodes[0].signrawtransactionwithwallet(txF['hex'])
-        assert_raises_rpc_error(-26, "mempool min fee not met, 166 < 411 (code 66)", self.nodes[0].sendrawtransaction, txFS['hex'])
+        assert_raises_rpc_error(-26, "mempool min fee not met", self.nodes[0].sendrawtransaction, txFS['hex'])
 
 if __name__ == '__main__':
     MempoolLimitTest().main()