diff --git a/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py b/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py
index 9881f1d0dd0b9105ff3674d2ca57285184f9333d..7c21b0c256a786fbe3e6a40c18c03626e5bd1b45 100644
--- a/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py
+++ b/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py
@@ -537,6 +537,10 @@ class HolographyDataset():
         :return: the read dataset
         """
         f = None
+
+        if not os.path.exists(path):
+            raise FileNotFoundError(path)
+
         try:
             f = h5py.File(path, "r")