diff --git a/drivers/media/video/bt866.c b/drivers/media/video/bt866.c
index 05e42bbcfc3d5c26a5e034f20445f3f9803c914f..772fd52d551aaf35a5a43cb363831e1f51be9bc8 100644
--- a/drivers/media/video/bt866.c
+++ b/drivers/media/video/bt866.c
@@ -65,7 +65,7 @@ MODULE_LICENSE("GPL");
 struct bt866 {
 	struct i2c_client *i2c;
 	int addr;
-	unsigned char reg[128];
+	unsigned char reg[256];
 
 	int norm;
 	int enable;