diff --git a/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py b/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py
index f2af02ac5253b6fb722bf9dba87dcc6c756de6ee..16a50dde8e9d4fb73bf4ccaabb919bf34dce9e60 100644
--- a/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py
+++ b/CAL/CalibrationCommon/lib/datacontainers/holography_dataset.py
@@ -58,6 +58,20 @@ class HolographyDataset():
         #              ('flag', numpy.bool)]
         #              )
 
+    @staticmethod
+    def compare_dicts(dict1, dict2):
+        result = True
+        for key in dict1.keys():
+            if key in dict2.keys():
+                if isinstance(dict1[key], dict) and isinstance(dict2[key], dict):
+                    result = result and HolographyDataset.compare_dicts(dict1[key], dict2[key])
+                else:
+                    return dict1[key] == dict2[key] 
+            else:
+                print(key, dict1.keys(), dict2.keys())
+                return False
+        return result
+    
     def __eq__(self, hds = None):
         equality = False
         if hds is not None and isinstance(hds, HolographyDataset) is True:
@@ -68,6 +82,8 @@ class HolographyDataset():
                 try:
                     if isinstance(attribute_value, numpy.ndarray) is True and isinstance(other_value, numpy.ndarray) is True:
                         this_equality = numpy.array_equal(attribute_value, other_value)
+                    elif isinstance(attribute_value, dict) is True and isinstance(other_value, dict) is True:
+                        this_equality = HolographyDataset.compare_dicts(attribute_value, other_value)
                     elif attribute_value != other_value:
                         this_equality = False
                 except Exception as e: