diff --git a/drivers/media/video/zr364xx.c b/drivers/media/video/zr364xx.c
index 1b44784..04949c8 100644
--- a/drivers/media/video/zr364xx.c
+++ b/drivers/media/video/zr364xx.c
@@ -390,7 +390,7 @@
 }
 
 
-static ssize_t zr364xx_read(struct file *file, char *buf, size_t cnt,
+static ssize_t zr364xx_read(struct file *file, char __user *buf, size_t cnt,
 			    loff_t * ppos)
 {
 	unsigned long count = cnt;