diff --git a/comfy/quant_ops.py b/comfy/quant_ops.py
index e80e6bcdc..8f282ee5b 100644
--- a/comfy/quant_ops.py
+++ b/comfy/quant_ops.py
@@ -60,9 +60,12 @@ except ImportError as e:
 
         def to(self, *args, **kwargs):
             device = kwargs.get("device", None)
-            if device is None and len(args) > 0:
+            dtype = kwargs.get("dtype", None)
+            if len(args) > 0:
                 if isinstance(args[0], (torch.device, str)):
                     device = args[0]
+                elif isinstance(args[0], torch.dtype):
+                    dtype = args[0]
             
             new_qdata = self._qdata.to(*args, **kwargs)
             new_params = self._layout_params.copy()
@@ -71,6 +74,9 @@ except ImportError as e:
                     if isinstance(v, torch.Tensor):
                         new_params.__dict__[k] = v.to(device=device)
             
+            if dtype is not None:
+                new_params.orig_dtype = dtype
+            
             return type(self)(new_qdata, self._layout_type, new_params)
 
         def detach(self):