diff --git a/platform/srf06-cc26xx/sensortag/hdc-1000-sensor.c b/platform/srf06-cc26xx/sensortag/hdc-1000-sensor.c
index 8fdd6d847..b8da56fef 100644
--- a/platform/srf06-cc26xx/sensortag/hdc-1000-sensor.c
+++ b/platform/srf06-cc26xx/sensortag/hdc-1000-sensor.c
@@ -186,7 +186,7 @@ static void
 convert(float *temp, float *hum)
 {
   /* Convert temperature to degrees C */
-  *temp = ((double)(int16_t)raw_temp / 65536) * 165 - 40;
+  *temp = ((double)raw_temp / 65536) * 165 - 40;
 
   /* Convert relative humidity to a %RH value */
   *hum = ((double)raw_hum / 65536) * 100;