diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 0fa9f67..f793ac2 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -1587,7 +1587,7 @@
 	if (pm_state.event == mdev->ofdev.dev.power.power_state.event)
 		return 0;
 
-	pmz_debug("suspend, switching to state %d\n", pm_state);
+	pmz_debug("suspend, switching to state %d\n", pm_state.event);
 
 	state = pmz_uart_reg.state + uap->port.line;