diff --git a/ingestion/src/metadata/readers/dataframe/mf4.py b/ingestion/src/metadata/readers/dataframe/mf4.py
index ece60439629..f511fc8ff08 100644
--- a/ingestion/src/metadata/readers/dataframe/mf4.py
+++ b/ingestion/src/metadata/readers/dataframe/mf4.py
@@ -16,7 +16,6 @@ MF4 DataFrame reader for processing MF4 (Measurement Data Format) files
 import io
 
 import pandas as pd
-from asammdf import MDF
 
 from metadata.readers.dataframe.base import DataFrameReader
 from metadata.readers.dataframe.common import dataframe_to_chunks
@@ -38,6 +37,7 @@ class MF4DataFrameReader(DataFrameReader):
         Extract schema from MF4 header common properties.
         This method uses the MDF header metadata instead of actual data extraction.
         """
+        from asammdf import MDF
 
         file_obj = io.BytesIO(mf4_bytes)
 
diff --git a/ingestion/tests/unit/test_mf4_reader.py b/ingestion/tests/unit/test_mf4_reader.py
index 762f0bbac66..682efd3a99c 100644
--- a/ingestion/tests/unit/test_mf4_reader.py
+++ b/ingestion/tests/unit/test_mf4_reader.py
@@ -58,7 +58,7 @@ class TestMF4DataFrameReader(TestCase):
         }
 
         # Create mock MDF object with header
-        with patch("metadata.readers.dataframe.mf4.MDF") as mock_mdf_class:
+        with patch("asammdf.MDF") as mock_mdf_class:
             mock_mdf = MagicMock()
             mock_header = MagicMock()
             mock_header._common_properties = expected_common_props
@@ -78,7 +78,7 @@ class TestMF4DataFrameReader(TestCase):
         """
         mock_mf4_bytes = b"mock_mf4_content"
 
-        with patch("metadata.readers.dataframe.mf4.MDF") as mock_mdf_class:
+        with patch("asammdf.MDF") as mock_mdf_class:
             mock_mdf = MagicMock()
             mock_header = MagicMock()
             # No _common_properties attribute