diff --git a/examples/llm_ptq/example_utils.py b/examples/llm_ptq/example_utils.py
index 28d4fcf2c..014eb9625 100755
--- a/examples/llm_ptq/example_utils.py
+++ b/examples/llm_ptq/example_utils.py
@@ -526,10 +526,10 @@ def copy_custom_model_files(source_path: str, export_path: str, trust_remote_cod
     # Common patterns for custom model files that need to be copied
     custom_file_patterns = [
         "configuration_*.py",
-        "modeling_*.py",
+        "modeling*.py",
         "tokenization_*.py",
         "processing_*.py",
-        "image_processing_*.py",
+        "image_processing*.py",
         "feature_extraction_*.py",
         "*.json",
     ]
diff --git a/modelopt/torch/export/quant_utils.py b/modelopt/torch/export/quant_utils.py
index 3e99a0e0a..b39f70748 100755
--- a/modelopt/torch/export/quant_utils.py
+++ b/modelopt/torch/export/quant_utils.py
@@ -849,6 +849,11 @@ def postprocess_state_dict(state_dict: dict, maxbound: float, quantization: str
     post_state_dict = {}
 
     for key, value in state_dict.items():
+        # Skip problematic parameters for specific model architectures, e.g., Nemotron Nano VL models
+        if key == "vision_model.radio_model.summary_idxs":
+            logger.info(f"Removing problematic parameter: {key}")
+            continue
+
         # Skip keys not related to quantizers
         if (
             "output_quantizer" not in key