1 files changed, 2 insertions, 2 deletions
diff --git a/sub/sd.h b/sub/sd.h
index fe64163b1b..c8056d379f 100644
--- a/sub/sd.h
+++ b/sub/sd.h
@@ -37,8 +37,8 @@ struct sd_functions {
     bool (*accepts_packet)(struct sd *sd); // implicit default if NULL: true
     int (*control)(struct sd *sd, enum sd_ctrl cmd, void *arg);
 
-    void (*get_bitmaps)(struct sd *sd, struct mp_osd_res dim, double pts,
-                        struct sub_bitmaps *res);
+    void (*get_bitmaps)(struct sd *sd, struct mp_osd_res dim, int format,
+                        double pts, struct sub_bitmaps *res);
     char *(*get_text)(struct sd *sd, double pts);
 };