diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c
index 38b3378..82b77bd 100644
--- a/drivers/leds/ledtrig-timer.c
+++ b/drivers/leds/ledtrig-timer.c
@@ -22,6 +22,7 @@
 #include <linux/timer.h>
 #include <linux/ctype.h>
 #include <linux/leds.h>
+#include <linux/slab.h>
 #include "leds.h"
 
 struct timer_trig_data {