diff --git a/ultralytics/engine/exporter.py b/ultralytics/engine/exporter.py
index 867e319d..840fa2a2 100644
--- a/ultralytics/engine/exporter.py
+++ b/ultralytics/engine/exporter.py
@@ -1286,7 +1286,7 @@ class Exporter:
 
         f = Path(str(self.file).replace(self.file.suffix, "_imx_model"))
         f.mkdir(exist_ok=True)
-        onnx_model = f / Path(str(self.file).replace(self.file.suffix, "_imx.onnx"))  # js dir
+        onnx_model = f / Path(str(self.file.name).replace(self.file.suffix, "_imx.onnx"))  # js dir
         mct.exporter.pytorch_export_model(
             model=quant_model, save_model_path=onnx_model, repr_dataset=representative_dataset_gen
         )