diff --git a/drivers/thermal/imx_sc_thermal.c b/drivers/thermal/imx_sc_thermal.c
index dbb277af232d893d5b794be3e697ace79022b997..a8723b1eb8b04a39690251f08280f950e251905c 100644
--- a/drivers/thermal/imx_sc_thermal.c
+++ b/drivers/thermal/imx_sc_thermal.c
@@ -30,8 +30,8 @@ struct req_get_temp {
 } __packed __aligned(4);
 
 struct resp_get_temp {
-	u16 celsius;
-	u8 tenths;
+	s16 celsius;
+	s8 tenths;
 } __packed __aligned(4);
 
 struct imx_sc_msg_misc_get_temp {