diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index 52f44a5c1b2f..f51579c4e9dc 100644
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -369,7 +369,7 @@ static const struct v4l2_pix_format vga_mode[] = {
 		.priv = SCALE_160x120},
 	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
 		.bytesperline = 320,
-		.sizeimage = 320 * 240 * 3 / 8 + 590,
+		.sizeimage = 320 * 240 * 4 / 8 + 590,
 		.colorspace = V4L2_COLORSPACE_JPEG,
 		.priv = SCALE_320x240 | MODE_JPEG},
 	{320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
@@ -384,7 +384,7 @@ static const struct v4l2_pix_format vga_mode[] = {
 		.priv = SCALE_320x240},
 	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
 		.bytesperline = 640,
-		.sizeimage = 640 * 480 * 3 / 8 + 590,
+		.sizeimage = 640 * 480 * 4 / 8 + 590,
 		.colorspace = V4L2_COLORSPACE_JPEG,
 		.priv = SCALE_640x480 | MODE_JPEG},
 	{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
@@ -417,7 +417,7 @@ static const struct v4l2_pix_format sxga_mode[] = {
 		.priv = SCALE_160x120},
 	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
 		.bytesperline = 320,
-		.sizeimage = 320 * 240 * 3 / 8 + 590,
+		.sizeimage = 320 * 240 * 4 / 8 + 590,
 		.colorspace = V4L2_COLORSPACE_JPEG,
 		.priv = SCALE_320x240 | MODE_JPEG},
 	{320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
@@ -432,7 +432,7 @@ static const struct v4l2_pix_format sxga_mode[] = {
 		.priv = SCALE_320x240},
 	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
 		.bytesperline = 640,
-		.sizeimage = 640 * 480 * 3 / 8 + 590,
+		.sizeimage = 640 * 480 * 4 / 8 + 590,
 		.colorspace = V4L2_COLORSPACE_JPEG,
 		.priv = SCALE_640x480 | MODE_JPEG},
 	{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,