diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index ecd2293a36523f06a27aa296636d25a2703d9b58..4ae82ed3b9ae240267a8f1729d9fc5cffcb9d715 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -1154,7 +1154,7 @@ PostmasterMain(int argc, char *argv[])
 	/*
 	 * Check for invalid combinations of GUC settings.
 	 */
-	if (ReservedBackends > MaxBackends)
+	if (ReservedBackends >= MaxBackends)
 	{
 		write_stderr("%s: superuser_reserved_connections must be less than max_connections\n", progname);
 		ExitPostmaster(1);