diff --git a/src/draw/renesas/dave2d/lv_draw_dave2d.c b/src/draw/renesas/dave2d/lv_draw_dave2d.c
index c792c2e8e..2ff0746ce 100644
--- a/src/draw/renesas/dave2d/lv_draw_dave2d.c
+++ b/src/draw/renesas/dave2d/lv_draw_dave2d.c
@@ -128,9 +128,9 @@ static void _dave2d_buf_invalidate_cache_cb(lv_draw_buf_t * draw_buf, const lv_a
     uint32_t stride = header->stride;
     lv_color_format_t cf = header->cf;
 
-    uint8_t * address = buf;
+    uint8_t * address = draw_buf->data;
     int32_t i = 0;
-    uint32_t bytes_per_pixel = lv_color_format_get_size(color_format);
+    uint32_t bytes_per_pixel = lv_color_format_get_size(cf);
     int32_t width = lv_area_get_width(area);
     int32_t lines = lv_area_get_height(area);
     int32_t bytes_to_flush_per_line = (int32_t)width * (int32_t)bytes_per_pixel;