diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c
index 2a8ba60..33f17a9 100644
--- a/drivers/video/pm2fb.c
+++ b/drivers/video/pm2fb.c
@@ -645,6 +645,8 @@
 		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;