diff --git a/src/backend/port/win32/signal.c b/src/backend/port/win32/signal.c
index 36c6ebd..0ba2817 100644
--- a/src/backend/port/win32/signal.c
+++ b/src/backend/port/win32/signal.c
@@ -113,7 +113,7 @@ pgwin32_dispatch_queued_signals(void)
 		/* One or more unblocked signals queued for execution */
 		int			exec_mask = UNBLOCKED_SIGNAL_QUEUE();
 
-		for (i = 0; i < PG_SIGNAL_COUNT; i++)
+		for (i = 1; i < PG_SIGNAL_COUNT; i++)
 		{
 			if (exec_mask & sigmask(i))
 			{