diff --git a/drivers/video/pxa3xx-gcu.c b/drivers/video/pxa3xx-gcu.c
index 1d71c08..3deabf9 100644
--- a/drivers/video/pxa3xx-gcu.c
+++ b/drivers/video/pxa3xx-gcu.c
@@ -382,7 +382,7 @@
 	struct pxa3xx_gcu_priv *priv =
 		container_of(filp->f_op, struct pxa3xx_gcu_priv, misc_fops);
 
-	int words = count / 4;
+	size_t words = count / 4;
 
 	/* Does not need to be atomic. There's a lock in user space,
 	 * but anyhow, this is just for statistics. */