diff --git a/comfy/model_patcher.py b/comfy/model_patcher.py
index 6deb71e12..020d723df 100644
--- a/comfy/model_patcher.py
+++ b/comfy/model_patcher.py
@@ -122,6 +122,11 @@ class LowVramPatch:
         self.set_func = set_func
 
     def __call__(self, weight):
+        if weight.dtype == torch.float8_e4m3fn or weight.dtype == torch.float8_e5m2:
+            temp_weight = weight.to(torch.bfloat16)
+            patched_weight = comfy.lora.calculate_weight(self.patches[self.key], temp_weight, self.key, intermediate_dtype=torch.bfloat16)
+            return patched_weight.to(weight.dtype)
+        
         return comfy.lora.calculate_weight(self.patches[self.key], weight, self.key, intermediate_dtype=weight.dtype)
 
 LOWVRAM_PATCH_ESTIMATE_MATH_FACTOR = 2