diff --git a/scripts/lib/upgrade-zulip-stage-2 b/scripts/lib/upgrade-zulip-stage-2
index 2c6a74e67a..793eee2e02 100755
--- a/scripts/lib/upgrade-zulip-stage-2
+++ b/scripts/lib/upgrade-zulip-stage-2
@@ -230,7 +230,7 @@ if os.path.exists("/etc/init.d/postgresql"):
             ]
         )
 
-    if tuple(map(int, postgresql_version.split("."))) < (12,):
+    if int(postgresql_version) < 12:
         logging.critical("Unsupported PostgreSQL version: %s", postgresql_version)
         logging.info(
             "Please upgrade to PostgreSQL 12 or newer first.\n"