diff --git a/drivers/include/lis2dh12.h b/drivers/include/lis2dh12.h
index 415fdbcb12..9df331ca5e 100644
--- a/drivers/include/lis2dh12.h
+++ b/drivers/include/lis2dh12.h
@@ -312,7 +312,7 @@ void lis2dh12_cfg_disable_event(const lis2dh12_t *dev, uint8_t event, uint8_t pi
  * @return  negative error
  * @return  positive LIS2DH12_INT_SRC bit mask on success
  */
-int lis2dh12_wait_event(const lis2dh12_t *dev, uint8_t pin, bool stale_events);
+int32_t lis2dh12_wait_event(const lis2dh12_t *dev, uint8_t pin, bool stale_events);
 #endif /* MODULE_LIS2DH12_INT */
 
 /**
diff --git a/drivers/lis2dh12/lis2dh12.c b/drivers/lis2dh12/lis2dh12.c
index 09d90e4b49..929bae3523 100644
--- a/drivers/lis2dh12/lis2dh12.c
+++ b/drivers/lis2dh12/lis2dh12.c
@@ -437,7 +437,7 @@ static uint32_t _merge_int_flags(const lis2dh12_t *dev, uint8_t events)
                               ((uint32_t)LIS2DH12_INT_SRC_IA <<  8) | \
                               ((uint32_t)LIS2DH12_INT_SRC_IA << 16))
 
-int lis2dh12_wait_event(const lis2dh12_t *dev, uint8_t line, bool stale_events)
+int32_t lis2dh12_wait_event(const lis2dh12_t *dev, uint8_t line, bool stale_events)
 {
     uint32_t int_src;
     uint8_t events = 0;
diff --git a/tests/drivers/lis2dh12/main.c b/tests/drivers/lis2dh12/main.c
index f2e19f1351..6bb809627e 100644
--- a/tests/drivers/lis2dh12/main.c
+++ b/tests/drivers/lis2dh12/main.c
@@ -23,6 +23,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <limits.h>
+#include <inttypes.h>
 #include "fmt.h"
 #include "thread.h"
 #include "shell.h"
@@ -79,10 +80,10 @@ void* lis2dh12_test_process(void* arg) {
     while (1) {
 
         /* wait for interrupt */
-        int int1_src = lis2dh12_wait_event(&dev, LIS2DH12_INT1, false);
+        int32_t int1_src = lis2dh12_wait_event(&dev, LIS2DH12_INT1, false);
 
         if (int1_src <= 0) {
-            printf("error: %d\n", int1_src);
+            printf("error: %" PRId32 "\n", int1_src);
             continue;
         }