diff --git a/comfy/ops.py b/comfy/ops.py
index 415c39e92..6aec1cdaf 100644
--- a/comfy/ops.py
+++ b/comfy/ops.py
@@ -102,7 +102,7 @@ def cast_bias_weight(s, input=None, dtype=None, device=None, bias_dtype=None, of
 
     bias = None
     if s.bias is not None:
-        bias = comfy.model_management.cast_to(s.bias, bias_dtype, device, non_blocking=non_blocking, copy=bias_has_function, stream=offload_stream)
+        bias = comfy.model_management.cast_to(s.bias, None, device, non_blocking=non_blocking, copy=bias_has_function, stream=offload_stream)
 
     comfy.model_management.sync_stream(device, offload_stream)
 
@@ -110,6 +110,7 @@ def cast_bias_weight(s, input=None, dtype=None, device=None, bias_dtype=None, of
     weight_a = weight
 
     if s.bias is not None:
+        bias = bias.to(dtype=bias_dtype)
         for f in s.bias_function:
             bias = f(bias)