diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index 7d9a912..0f25cee 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -1251,9 +1251,9 @@
 			dev->wd_pending = false;
 
 			if (dev->wd_timeout)
-				*slots -= mei_data2slots(MEI_START_WD_DATA_SIZE);
+				*slots -= mei_data2slots(MEI_WD_START_MSG_SIZE);
 			else
-				*slots -= mei_data2slots(MEI_WD_PARAMS_SIZE);
+				*slots -= mei_data2slots(MEI_WD_STOP_MSG_SIZE);
 		}
 	}
 	if (dev->stop)