diff --git a/sys/arm/allwinner/aw_thermal.c b/sys/arm/allwinner/aw_thermal.c
index c4c8bc1035c..12146afd968 100644
--- a/sys/arm/allwinner/aw_thermal.c
+++ b/sys/arm/allwinner/aw_thermal.c
@@ -109,9 +109,9 @@ __FBSDID("$FreeBSD$");
 #define	H3_ADC_ACQUIRE_TIME	0x3f
 #define	H3_FILTER		0x6
 #define	H3_INTC			0x191000
-#define	H3_TEMP_BASE		2794000
+#define	H3_TEMP_BASE		1794000
 #define	H3_TEMP_MUL		1000
-#define	H3_TEMP_DIV		-14882
+#define	H3_TEMP_DIV		-8253
 #define	H3_CLK_RATE		4000000
 
 #define	TEMP_C_TO_K		273