diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c
index 2a8ba6022d3db409555948e44d60497c68ee1698..33f17a96a569219b9d3a52283b9d37257e68c36c 100644
--- a/drivers/video/pm2fb.c
+++ b/drivers/video/pm2fb.c
@@ -645,6 +645,8 @@ static int pm2fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 		return -EINVAL;
 	}
 
+	var->transp.offset = 0;
+	var->transp.length = 0;
 	switch(var->bits_per_pixel) {
 	case 8:
 		var->red.length = var->green.length = var->blue.length = 8;