diff --git a/model-optimizer/mo/utils/cli_parser.py b/model-optimizer/mo/utils/cli_parser.py
index e7bb1c395b1..fecd0f8755e 100644
--- a/model-optimizer/mo/utils/cli_parser.py
+++ b/model-optimizer/mo/utils/cli_parser.py
@@ -428,12 +428,12 @@ def get_caffe_cli_parser(parser: argparse.ArgumentParser = None):
     caffe_group.add_argument('--caffe_parser_path',
                              help='Path to Python Caffe* parser generated from caffe.proto',
                              type=str,
-                             default=os.path.join(os.path.dirname(sys.argv[0]), 'mo', 'front', 'caffe', 'proto'),
+                             default=os.path.join(os.path.dirname(__file__), os.pardir, 'front', 'caffe', 'proto'),
                              action=CanonicalizePathCheckExistenceAction)
     caffe_group.add_argument('-k',
                              help='Path to CustomLayersMapping.xml to register custom layers',
                              type=str,
-                             default=os.path.join(os.path.dirname(sys.argv[0]), 'extensions', 'front', 'caffe',
+                             default=os.path.join(os.path.dirname(__file__), os.pardir, os.pardir, 'extensions', 'front', 'caffe',
                                                   'CustomLayersMapping.xml'),
                              action=CanonicalizePathCheckExistenceAction)
     caffe_group.add_argument('--mean_file', '-mf',