diff --git a/comfy_execution/validation.py b/comfy_execution/validation.py
index 1cd73f0ca..5bf842536 100644
--- a/comfy_execution/validation.py
+++ b/comfy_execution/validation.py
@@ -1,4 +1,5 @@
 from __future__ import annotations
+from comfy_api.latest import IO
 
 
 def validate_node_input(
@@ -23,6 +24,11 @@ def validate_node_input(
     if not received_type != input_type:
         return True
 
+    # If the received type is a MatchType, we can return immediately;
+    # validation for this is handled by the frontend
+    if received_type == IO.MatchType.io_type:
+        return True
+
     # If input_type is a Combo, frontend permits a Combo output to be connected,
     # but it is defined as a tuple of values with V3 schema.
     # This probably should be dealt with sending one thing to the frontend and another to the backend,