diff -r 30b12e88fd84 -r ab07757004b4 test/sandbox.c
--- a/test/sandbox.c	Mon Dec 18 19:05:30 2023 +0100
+++ b/test/sandbox.c	Thu Jan 18 21:53:16 2024 +0100
@@ -54,7 +54,7 @@
 
     asc_set_font(asc_font(ASC_FONT_REGULAR, 24));
     asc_ink_rgb(255, 0, 0);
-    AscTextNode *fps_counter = asc_text(50, 50, "60 FPS");
+    AscTextNode *fps_counter = asc_text(50, 50, "9999 FPS");
     unsigned last_fps = 0;
 
     while (asc_loop_next()) {
@@ -67,8 +67,7 @@
             unsigned fps = 1000u / asc_context.elapsed_millis;
             if (fps != last_fps) {
                 last_fps = fps;
-                cxBufferReset(&fps_counter->text);
-                cx_bprintf(&fps_counter->text, "%u FPS", fps);
+                snprintf(fps_counter->text, 9, "%u FPS", fps);
                 asc_text_update(fps_counter);
             }
         }