diff --git a/comfy/ldm/modules/attention.py b/comfy/ldm/modules/attention.py
index 34484b28..fcae6b66 100644
--- a/comfy/ldm/modules/attention.py
+++ b/comfy/ldm/modules/attention.py
@@ -538,6 +538,8 @@ class BasicTransformerBlock(nn.Module):
         if "block" in transformer_options:
             block = transformer_options["block"]
             extra_options["block"] = block
+        if "cond_or_uncond" in transformer_options:
+            extra_options["cond_or_uncond"] = transformer_options["cond_or_uncond"]
         if "patches" in transformer_options:
             transformer_patches = transformer_options["patches"]
         else: