diff --git a/image_processing/build_dataset.py b/image_processing/build_dataset.py
index 1357c665905a519e5fc94ab6bcb70e15dffad823..481ad604ddada52515d1119803a4f9bf84e44f7a 100644
--- a/image_processing/build_dataset.py
+++ b/image_processing/build_dataset.py
@@ -5,6 +5,9 @@ import pandas as pd
 import re
 import numpy as np
 import matplotlib.image as mpimg
+import sys
+
+sys.path.append('../pyRawMSDataReader')
 from pyRawMSDataReader.pyRawMSDataReader.WiffFileReader_py import WiffFileReader