diff --git a/ldm/invoke/CLI.py b/ldm/invoke/CLI.py
index f72f6058aa..ddcd1a64c7 100644
--- a/ldm/invoke/CLI.py
+++ b/ldm/invoke/CLI.py
@@ -786,6 +786,7 @@ def optimize_model(model_name_or_path: Union[Path,str], gen, opt, completer):
     model_name_or_path = model_name_or_path.replace('\\','/') # windows
     manager = gen.model_manager
     ckpt_path = None
+    original_config_file=None
 
     if model_name_or_path == gen.model_name:
         print("** Can't convert the active model. !switch to another model first. **")
diff --git a/ldm/invoke/ckpt_to_diffuser.py b/ldm/invoke/ckpt_to_diffuser.py
index 895484828f..a1c99bc5b1 100644
--- a/ldm/invoke/ckpt_to_diffuser.py
+++ b/ldm/invoke/ckpt_to_diffuser.py
@@ -53,6 +53,7 @@ from diffusers import (
 )
 from diffusers.pipelines.latent_diffusion.pipeline_latent_diffusion import LDMBertConfig, LDMBertModel
 from diffusers.pipelines.paint_by_example import PaintByExampleImageEncoder, PaintByExamplePipeline
+from diffusers.pipelines.stable_diffusion.safety_checker import StableDiffusionSafetyChecker
 from diffusers.utils import is_safetensors_available
 from transformers import AutoFeatureExtractor, BertTokenizerFast, CLIPTextModel, CLIPTokenizer, CLIPVisionConfig
 
@@ -984,6 +985,7 @@ def load_pipeline_from_original_stable_diffusion_ckpt(
         elif model_type in ['FrozenCLIPEmbedder','WeightedFrozenCLIPEmbedder']:
             text_model = convert_ldm_clip_checkpoint(checkpoint)
             tokenizer = CLIPTokenizer.from_pretrained("openai/clip-vit-large-patch14",cache_dir=cache_dir)
+            safety_checker = StableDiffusionSafetyChecker.from_pretrained('CompVis/stable-diffusion-safety-checker',cache_dir=global_cache_dir("hub"))
             feature_extractor = AutoFeatureExtractor.from_pretrained("CompVis/stable-diffusion-safety-checker",cache_dir=cache_dir)
             pipe = pipeline_class(
                 vae=vae,
@@ -991,7 +993,7 @@ def load_pipeline_from_original_stable_diffusion_ckpt(
                 tokenizer=tokenizer,
                 unet=unet,
                 scheduler=scheduler,
-                safety_checker=None,
+                safety_checker=safety_checker,
                 feature_extractor=feature_extractor,
             )
         else:
diff --git a/ldm/invoke/merge_diffusers.py b/ldm/invoke/merge_diffusers.py
index 1c8a2c63bb..edd0e778d6 100644
--- a/ldm/invoke/merge_diffusers.py
+++ b/ldm/invoke/merge_diffusers.py
@@ -419,8 +419,7 @@ def run_gui(args: Namespace):
     mergeapp.run()
 
     args = mergeapp.merge_arguments
-    print(f'DEBUG: {args}')
-    #merge_diffusion_models_and_commit(**args)
+    merge_diffusion_models_and_commit(**args)
     print(f'>> Models merged into new model: "{args["merged_model_name"]}".')