diff --git a/game/main.c b/game/main.c
index a3a821c..45c8155 100644
--- a/game/main.c
+++ b/game/main.c
@@ -389,6 +389,7 @@ static void renderGame(Game *game, float dt) {
             };
         }
     }
+    BZ_ASSERT(drawIdx == numDraws);
     qsort(drawData, numDraws, sizeof(*drawData), cmpDrawData);
 
     for (i32 i = 0; i < numDraws; i++) {