diff --git a/gfx/drivers/sixel_gfx.c b/gfx/drivers/sixel_gfx.c
index 1373e9e9a7..8ba77d79d4 100644
--- a/gfx/drivers/sixel_gfx.c
+++ b/gfx/drivers/sixel_gfx.c
@@ -549,7 +549,7 @@ static void sixel_set_osd_msg(void *data,
       const char *msg,
       const void *params, void *font)
 {
-   font_driver_render_msg(video_info, font, msg, params);
+   font_driver_render_msg(video_info, font, msg, (const struct font_params*)params);
 }
 
 static void sixel_get_video_output_size(void *data,