diff --git a/test/script/tskdbdiff.py b/test/script/tskdbdiff.py
index f375934783..a50911b05c 100644
--- a/test/script/tskdbdiff.py
+++ b/test/script/tskdbdiff.py
@@ -661,20 +661,20 @@ def normalize_db_entry(line, files_table, vs_parts_table, vs_info_table, fs_info
             fields_list[1] = "NULL"
         #substitue the source object id for a non changing value
         source_obj_id = fields_list[3]
-        if os_account_id in files_table.keys():
-            fields_list[1] = files_table[parent_id]
-        elif os_account_id in vs_parts_table.keys():
-            fields_list[1] = vs_parts_table[parent_id]
-        elif os_account_id in vs_info_table.keys():
-            fields_list[1] = vs_info_table[parent_id]
-        elif os_account_id in fs_info_table.keys():
-            fields_list[1] = fs_info_table[parent_id]
-        elif os_account_id in images_table.keys():
-            fields_list[1] = images_table[parent_id]
-        elif os_account_id in accounts_table.keys():
-            fields_list[1] = accounts_table[parent_id]
-        elif os_account_id == 'NULL':
-            fields_list[1] = "NULL"
+        if source_obj_id in files_table.keys():
+            fields_list[3] = files_table[parent_id]
+        elif source_obj_id in vs_parts_table.keys():
+            fields_list[3] = vs_parts_table[parent_id]
+        elif source_obj_id in vs_info_table.keys():
+            fields_list[3] = vs_info_table[parent_id]
+        elif source_obj_id in fs_info_table.keys():
+            fields_list[3] = fs_info_table[parent_id]
+        elif source_obj_id in images_table.keys():
+            fields_list[3] = images_table[parent_id]
+        elif source_obj_id in accounts_table.keys():
+            fields_list[3] = accounts_table[parent_id]
+        elif source_obj_id == 'NULL':
+            fields_list[3] = "NULL"
         newLine = ('INSERT INTO "tsk_os_account_attributes" VALUES(' + ','.join(fields_list[1:]) + ');') # remove id
     else:
         return line