diff --git a/src/cpu/samsung/exynos5420/timer.c b/src/cpu/samsung/exynos5420/timer.c
index 88e1f3e489..f8d3110000 100644
--- a/src/cpu/samsung/exynos5420/timer.c
+++ b/src/cpu/samsung/exynos5420/timer.c
@@ -20,7 +20,7 @@
 #include <console/console.h>
 #include <timer.h>
 #include <delay.h>
-
+#include <thread.h>
 #include "clk.h"
 
 void init_timer(void)
@@ -33,6 +33,9 @@ void udelay(unsigned usec)
 {
 	struct mono_time current, end;
 
+	if (!thread_yield_microseconds(usec))
+		return;
+
 	timer_monotonic_get(&current);
 	end = current;
 	mono_time_add_usecs(&end, usec);