diff --git a/lib/chips.c b/lib/chips.c
index be0bc8ae..98748955 100644
--- a/lib/chips.c
+++ b/lib/chips.c
@@ -743,12 +743,17 @@ static sensors_chip_feature w83782d_features[] =
                         SENSORS_MODE_R, W83781D_SYSCTL_FAN1, VALUE(2), 0 },
     { SENSORS_W83782D_FAN2, "fan2", SENSORS_NO_MAPPING, SENSORS_NO_MAPPING,
                         SENSORS_MODE_R, W83781D_SYSCTL_FAN2, VALUE(2), 0 },
+    { SENSORS_W83781D_FAN3, "fan3", SENSORS_NO_MAPPING, SENSORS_NO_MAPPING,
+                        SENSORS_MODE_R, W83781D_SYSCTL_FAN3, VALUE(2), 0 },
     { SENSORS_W83782D_FAN1_MIN, "fan1_min", SENSORS_W83782D_FAN1,
                         SENSORS_NO_MAPPING, SENSORS_MODE_RW, 
                         W83781D_SYSCTL_FAN1, VALUE(1), 0 },
     { SENSORS_W83782D_FAN2_MIN, "fan2_min", SENSORS_W83782D_FAN2, 
                         SENSORS_NO_MAPPING, SENSORS_MODE_RW, 
                         W83781D_SYSCTL_FAN2, VALUE(1), 0 },
+    { SENSORS_W83781D_FAN3_MIN, "fan3_min", SENSORS_W83781D_FAN3, 
+                        SENSORS_NO_MAPPING, SENSORS_MODE_RW, 
+                        W83781D_SYSCTL_FAN3, VALUE(1), 0 },
     { SENSORS_W83782D_TEMP1, "temp1", SENSORS_NO_MAPPING, SENSORS_NO_MAPPING,
                          SENSORS_MODE_R, W83781D_SYSCTL_TEMP1, VALUE(3), 1 },
     { SENSORS_W83782D_TEMP1_HYST, "temp1_hyst", SENSORS_W83782D_TEMP1,
@@ -782,6 +787,9 @@ static sensors_chip_feature w83782d_features[] =
     { SENSORS_W83782D_FAN2_DIV, "fan2_div", SENSORS_W83782D_FAN2, 
                          SENSORS_NO_MAPPING, SENSORS_MODE_RW, 
                          W83781D_SYSCTL_FAN_DIV, VALUE(2), 0 },
+    { SENSORS_W83781D_FAN3_DIV, "fan3_div", SENSORS_W83781D_FAN3, 
+                         SENSORS_NO_MAPPING, SENSORS_MODE_R, 
+                         W83781D_SYSCTL_FAN_DIV, VALUE(3), 0 },
     { SENSORS_W83782D_ALARMS, "alarms", SENSORS_NO_MAPPING, SENSORS_NO_MAPPING, 
                          SENSORS_MODE_R, W83781D_SYSCTL_ALARMS, VALUE(1), 0 },
     { SENSORS_W83782D_BEEP_ENABLE, "beep_enable", SENSORS_W83782D_ALARMS,
diff --git a/lib/chips.h b/lib/chips.h
index 1399bfb4..4bf4d932 100644
--- a/lib/chips.h
+++ b/lib/chips.h
@@ -363,8 +363,10 @@
 #define SENSORS_W83782D_IN8_MAX 29 /* RW */
 #define SENSORS_W83782D_FAN1 31 /* R */
 #define SENSORS_W83782D_FAN2 32 /* R */
+#define SENSORS_W83782D_FAN3 33 /* R */
 #define SENSORS_W83782D_FAN1_MIN 41 /* RW */
 #define SENSORS_W83782D_FAN2_MIN 42 /* RW */
+#define SENSORS_W83782D_FAN3_MIN 43 /* RW */
 #define SENSORS_W83782D_TEMP1 51 /* R */
 #define SENSORS_W83782D_TEMP1_HYST 52 /* RW */
 #define SENSORS_W83782D_TEMP1_OVER 53 /* RW */