diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 12de1ea683705e2c26131552569380815a2a728b..1897785fd5710392ef45285100805bde3be283ec 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -252,7 +252,7 @@ extern void os_dump_core(void);
 
 extern int switch_timers(int to_real);
 extern void idle_sleep(int secs);
-extern int set_interval(int is_virtual);
+extern int set_interval(void);
 extern void disable_timer(void);
 extern void uml_idle_timer(void);
 extern unsigned long long os_nsecs(void);
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index 633b673d57781ee82a1afa7c4b26898c37f76c7d..2bda07dcd34513022a5892b98b34be8d46cf391b 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -102,7 +102,7 @@ static void register_timer(void)
 		printk(KERN_ERR "register_timer : request_irq failed - "
 		       "errno = %d\n", -err);
 
-	err = set_interval(1);
+	err = set_interval();
 	if (err != 0)
 		printk(KERN_ERR "register_timer : set_interval failed - "
 		       "errno = %d\n", -err);
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 5462469f4ebf37035dec9861e6e8b93fb5553732..0036164bb0fb48e1b99d0f2827865ff8f33c97fc 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -178,7 +178,7 @@ static int userspace_tramp(void *stack)
 	ptrace(PTRACE_TRACEME, 0, 0, 0);
 
 	init_new_thread_signals();
-	err = set_interval(1);
+	err = set_interval();
 	if (err)
 		panic("userspace_tramp - setting timer failed, errno = %d\n",
 		      err);
diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c
index a16a0f484edc8f3fa517c7e2d8a479ef6f2624c3..b156f03e1713421d22fbd8bedaedd60641d51305 100644
--- a/arch/um/os-Linux/time.c
+++ b/arch/um/os-Linux/time.c
@@ -14,14 +14,13 @@
 
 static int is_real_timer = 0;
 
-int set_interval(int is_virtual)
+int set_interval(void)
 {
 	int usec = 1000000/UM_HZ;
-	int timer_type = is_virtual ? ITIMER_VIRTUAL : ITIMER_REAL;
 	struct itimerval interval = ((struct itimerval) { { 0, usec },
 							  { 0, usec } });
 
-	if (setitimer(timer_type, &interval, NULL) == -1)
+	if (setitimer(ITIMER_VIRTUAL, &interval, NULL) == -1)
 		return -errno;
 
 	return 0;