diff --git a/src/gallium/drivers/zink/zink_screen.h b/src/gallium/drivers/zink/zink_screen.h
index 886700b65ad..c907bc6e85d 100644
--- a/src/gallium/drivers/zink/zink_screen.h
+++ b/src/gallium/drivers/zink/zink_screen.h
@@ -61,6 +61,7 @@ static inline bool
 zink_screen_check_last_finished(struct zink_screen *screen, uint32_t batch_id)
 {
    const uint32_t check_id = (uint32_t)batch_id;
+   assert(check_id);
    /* last_finished may have wrapped */
    if (screen->last_finished < UINT_MAX / 2) {
       /* last_finished has wrapped, batch_id has not */