diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c
index 7df4228e25f0..ab828645b091 100644
--- a/drivers/video/fbdev/stifb.c
+++ b/drivers/video/fbdev/stifb.c
@@ -1259,7 +1259,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
 	
 	/* limit fbsize to max visible screen size */
 	if (fix->smem_len > yres*fix->line_length)
-		fix->smem_len = yres*fix->line_length;
+		fix->smem_len = ALIGN(yres*fix->line_length, 4*1024*1024);
 	
 	fix->accel = FB_ACCEL_NONE;