diff --git a/comfy_extras/nodes_tcfg.py b/comfy_extras/nodes_tcfg.py
index 1a6767770..118e79ba5 100644
--- a/comfy_extras/nodes_tcfg.py
+++ b/comfy_extras/nodes_tcfg.py
@@ -51,7 +51,7 @@ class TCFG(io.ComfyNode):
             #  Assume [cond, uncond, ...]
             x = args["input"]
             conds_out = args["conds_out"]
-            if len(conds_out) <= 1 or None in args["conds"][:2]:
+            if len(conds_out) <= 1 or None in args["conds"][:2] or not args["conds_out"][1].any():
                 # Skip when either cond or uncond is None
                 return conds_out
             cond_pred = conds_out[0]