diff --git a/drivers/media/video/cx18/cx18-alsa-pcm.c b/drivers/media/video/cx18/cx18-alsa-pcm.c
index 6e56df94e34b..b9f42b1d886f 100644
--- a/drivers/media/video/cx18/cx18-alsa-pcm.c
+++ b/drivers/media/video/cx18/cx18-alsa-pcm.c
@@ -25,6 +25,7 @@
 
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/vmalloc.h>
 
 #include <media/v4l2-device.h>