diff --git a/src/drivers/intel/fsp2_0/notify.c b/src/drivers/intel/fsp2_0/notify.c
index 76cdf1281e..ee04630ca1 100644
--- a/src/drivers/intel/fsp2_0/notify.c
+++ b/src/drivers/intel/fsp2_0/notify.c
@@ -57,7 +57,7 @@ static void fsp_notify(enum fsp_notify_phase phase)
 
 static void fsp_notify_dummy(void *arg)
 {
-	enum fsp_notify_phase phase = (uint32_t)arg;
+	enum fsp_notify_phase phase = (uint32_t)(uintptr_t)arg;
 
 	display_mtrrs();