diff --git a/web/pgadmin/utils/driver/psycopg2/connection.py b/web/pgadmin/utils/driver/psycopg2/connection.py
index f584ab60b..bbbf0bc76 100644
--- a/web/pgadmin/utils/driver/psycopg2/connection.py
+++ b/web/pgadmin/utils/driver/psycopg2/connection.py
@@ -406,12 +406,14 @@ class Connection(BaseConnection):
         # Note that we use 'UPDATE pg_settings' for setting bytea_output as a
         # convenience hack for those running on old, unsupported versions of
         # PostgreSQL 'cos we're nice like that.
-        status = _execute(cur, "SET DateStyle=ISO; "
-                               "SET client_min_messages=notice;"
-                               "UPDATE pg_settings SET setting = 'escape'"
-                               "    WHERE name = 'bytea_output';"
-                               "SET client_encoding='{0}';"
-                          .format(postgres_encoding))
+        status = _execute(
+            cur,
+            "SET DateStyle=ISO; "
+            "SET client_min_messages=notice; "
+            "SELECT set_config('bytea_output','escape',false) FROM pg_settings"
+            " WHERE name = 'bytea_output'; "
+            "SET client_encoding='{0}';".format(postgres_encoding)
+        )
 
         if status is not None:
             self.conn.close()