diff --git a/ubb-vga/ubb-vga2.c b/ubb-vga/ubb-vga2.c
index 429b8de..8b75219 100644
--- a/ubb-vga/ubb-vga2.c
+++ b/ubb-vga/ubb-vga2.c
@@ -262,7 +262,7 @@ void setup(void)
 }
 
 
-static void line(const uint32_t *line, volatile const uint32_t *prefetch)
+static void line(const uint32_t *line)
 {
 	const uint32_t *p = line;
 
@@ -344,7 +344,7 @@ static void line(const uint32_t *line, volatile const uint32_t *prefetch)
 	}
 
 fail:
-	(void) *prefetch;
+	(void) *(volatile const uint32_t *) p;
 	until(line_cycles);
 }
 
@@ -385,7 +385,7 @@ static void frame(const uint32_t *f)
 	until(line_cycles-US(0.79));
 
 	for (p = f; p != f+YRES*line_words; p += line_words)
-		line(p, p+line_words);
+		line(p);
 
 	/* Back porch */
 	hdelay(14);