diff --git a/comfy/controlnet.py b/comfy/controlnet.py
index ceb24c85..11483e21 100644
--- a/comfy/controlnet.py
+++ b/comfy/controlnet.py
@@ -736,6 +736,7 @@ def load_controlnet_state_dict(state_dict, model=None, model_options={}):
     return control
 
 def load_controlnet(ckpt_path, model=None, model_options={}):
+    model_options = model_options.copy()
     if "global_average_pooling" not in model_options:
         filename = os.path.splitext(ckpt_path)[0]
         if filename.endswith("_shuffle") or filename.endswith("_shuffle_fp16"): #TODO: smarter way of enabling global_average_pooling