diff --git a/test/functional/p2p_invalid_messages.py b/test/functional/p2p_invalid_messages.py
index 3109ad2b56..7160d0d27a 100755
--- a/test/functional/p2p_invalid_messages.py
+++ b/test/functional/p2p_invalid_messages.py
@@ -130,7 +130,7 @@ def test_checksum(self):
     def test_size(self):
         self.log.info("Test message with oversized payload disconnects peer")
         conn = self.nodes[0].add_p2p_connection(P2PDataStore())
-        with self.nodes[0].assert_debug_log(['Header error: Size too large (badmsg, 4000001 bytes)']):
+        with self.nodes[0].assert_debug_log(['Header error: Size too large (badmsg, 16000001 bytes)']):
             msg = msg_unrecognized(str_data="d" * (VALID_DATA_LIMIT + 1))
             msg = conn.build_message(msg)
             conn.send_raw_message(msg)
diff --git a/test/functional/test_runner.py b/test/functional/test_runner.py
index 3ff2738016..3dab02f832 100755
--- a/test/functional/test_runner.py
+++ b/test/functional/test_runner.py
@@ -244,8 +244,7 @@
     'p2p_invalid_block.py',
     'feature_elements_taproot_activation.py',
     'feature_elements_simplicity_activation.py',
-    # ELEMENTS: needs to be fixed
-    #'p2p_invalid_messages.py',
+    'p2p_invalid_messages.py',
     'p2p_invalid_tx.py',
     'feature_assumevalid.py',
     'example_test.py',