diff --git a/test/script/tskdbdiff.py b/test/script/tskdbdiff.py
index 8380424bb5..ab18341865 100644
--- a/test/script/tskdbdiff.py
+++ b/test/script/tskdbdiff.py
@@ -333,7 +333,7 @@ class TskDbDiff(object):
                 for line in postgreSQL_db:
                     line = line.strip('\r\n ')
                     # Deal with pg_dump result file
-                    if line.startswith('--') or line.lower().startswith('alter') or "pg_catalog" in line or not line: # It's comment or alter statement or catalog entry or empty line
+                    if line.startswith('--') or line.lower().startswith('alter') or "pg_catalog" in line or "idle_in_transaction_session_timeout" in line or not line: # It's comment or alter statement or catalog entry or set idle entry or empty line
                         continue
                     elif not line.endswith(';'): # Statement not finished
                         dump_line += line