diff --git a/kernel/rtmutex-tester.c b/kernel/rtmutex-tester.c
index e82c2f8..494dac8 100644
--- a/kernel/rtmutex-tester.c
+++ b/kernel/rtmutex-tester.c
@@ -33,7 +33,7 @@
 };
 
 static struct test_thread_data thread_data[MAX_RT_TEST_THREADS];
-static task_t *threads[MAX_RT_TEST_THREADS];
+static struct task_struct *threads[MAX_RT_TEST_THREADS];
 static struct rt_mutex mutexes[MAX_RT_TEST_MUTEXES];
 
 enum test_opcodes {
@@ -361,8 +361,8 @@
 static ssize_t sysfs_test_status(struct sys_device *dev, char *buf)
 {
 	struct test_thread_data *td;
+	struct task_struct *tsk;
 	char *curr = buf;
-	task_t *tsk;
 	int i;
 
 	td = container_of(dev, struct test_thread_data, sysdev);