diff --git a/arch/platform/zoul/dev/dht22.c b/arch/platform/zoul/dev/dht22.c
index 0e826bfbf..e5d14d53b 100644
--- a/arch/platform/zoul/dev/dht22.c
+++ b/arch/platform/zoul/dev/dht22.c
@@ -207,8 +207,8 @@ value(int type)
   }
 }
 /*---------------------------------------------------------------------------*/
-int
-dht22_read_all(int *temperature, int *humidity)
+int16_t
+dht22_read_all(int16_t *temperature, int16_t *humidity)
 {
   if((temperature == NULL) || (humidity == NULL)) {
     PRINTF("DHT22: Invalid arguments\n");
diff --git a/arch/platform/zoul/dev/dht22.h b/arch/platform/zoul/dev/dht22.h
index 10adee5c3..ecd02a26e 100644
--- a/arch/platform/zoul/dev/dht22.h
+++ b/arch/platform/zoul/dev/dht22.h
@@ -99,7 +99,7 @@
  * \name DHT22 auxiliary functions
  * @{
  */
-int dht22_read_all(int *temperature, int *humidity);
+int16_t dht22_read_all(int16_t *temperature, int16_t *humidity);
 /** @} */
 /* -------------------------------------------------------------------------- */
 #define DHT22_SENSOR "DHT22 sensor"
diff --git a/examples/platform-specific/zoul/test-dht22.c b/examples/platform-specific/zoul/test-dht22.c
index f1a49b516..43048eba3 100644
--- a/examples/platform-specific/zoul/test-dht22.c
+++ b/examples/platform-specific/zoul/test-dht22.c
@@ -55,7 +55,7 @@ static struct etimer et;
 /*---------------------------------------------------------------------------*/
 PROCESS_THREAD(remote_dht22_process, ev, data)
 {
-  int temperature, humidity;
+  int16_t temperature, humidity;
 
   PROCESS_BEGIN();
   SENSORS_ACTIVATE(dht22);