diff --git a/drivers/char/watchdog/pcwd.c b/drivers/char/watchdog/pcwd.c
index 85c94b2..3329cbf 100644
--- a/drivers/char/watchdog/pcwd.c
+++ b/drivers/char/watchdog/pcwd.c
@@ -828,6 +828,7 @@
 	unregister_reboot_notifier(&pcwd_notifier);
 	release_region(current_readport, (revision == PCWD_REVISION_A) ? 2 : 4);
 	current_readport = 0x0000;
+	cards_found--;
 }
 
 /*