diff --git a/python/torch_mlir/extras/onnx_importer.py b/python/torch_mlir/extras/onnx_importer.py
index 9fe29212386a..ab9b6de3cd5b 100644
--- a/python/torch_mlir/extras/onnx_importer.py
+++ b/python/torch_mlir/extras/onnx_importer.py
@@ -739,6 +739,13 @@ def type_proto_to_type(self, tp: onnx.TypeProto) -> IrType:
     def _sanitize_name(self, name):
         if not name.isidentifier():
             name = "_" + name
+
+        # The presence of '-' characters in the initializer names can cause
+        # unintended side-effects when the IR is parsed during compilation.
+        # Simply replace all the occurrences of '-' in the name string when the
+        # dense resource is created.
+        name = name.replace("-", "_")
+
         return re.sub("[:/]", "_", name)
 
     def tensor_proto_to_attr(self, tp: onnx.TensorProto) -> Attribute: