diff --git a/runtime/src/global_request_scheduler_deque.c b/runtime/src/global_request_scheduler_deque.c
index 4b0d133..628f57f 100644
--- a/runtime/src/global_request_scheduler_deque.c
+++ b/runtime/src/global_request_scheduler_deque.c
@@ -15,15 +15,14 @@ static pthread_mutex_t global_request_scheduler_deque_mutex = PTHREAD_MUTEX_INIT
  * @returns pointer to request if added. NULL otherwise
  */
 static struct sandbox *
-global_request_scheduler_deque_add(void *sandbox_raw)
+global_request_scheduler_deque_add(struct sandbox *sandbox)
 {
-	struct sandbox *sandbox     = (struct sandbox *)sandbox_raw;
-	int             return_code = 1;
+	int return_code = 1;
 
 	return_code = deque_push_sandbox(global_request_scheduler_deque, &sandbox);
 
 	if (return_code != 0) return NULL;
-	return sandbox_raw;
+	return sandbox;
 }
 
 /**