diff --git a/src/engine.clj b/src/engine.clj
index cc3bbb6..a1ecf8f 100644
--- a/src/engine.clj
+++ b/src/engine.clj
@@ -84,17 +84,15 @@
             (let [config (:config @game-config)]
               (try
                 (doseq [buf @buffered-objs] (snapshot! buf))
-                (swap! game-state #(update config %))
-                (catch Throwable t
-                  (doseq [buf @buffered-objs]
-                    (restore! buf))
-                  (report-exception! t)))
-              (rl/with-drawing!
-                (try
-                  (draw config @game-state)
-                  (w/watch! (watch-fn config @game-state))
-                  (catch Throwable t
-                    (report-exception! t)))))))
+                (let [updated-state (update config @game-state)]
+                  (rl/with-drawing!
+                    (draw config updated-state)
+                    (w/watch! (watch-fn config updated-state))
+                    (swap! game-state updated-state)
+                    (catch Throwable t
+                      (doseq [buf @buffered-objs]
+                        (restore! buf))
+                      (report-exception! t))))))))
         (try
           (when unload
             (doseq [[_ tex] @texture-cache]