diff --git a/src/main.c b/src/main.c
index 710ab7e..56e2d90 100644
--- a/src/main.c
+++ b/src/main.c
@@ -101,7 +101,7 @@ void fish_update(const struct app *app, struct fish *fish, float delta_time)
             fish->wander_target_y = rand() % height;
             fish->wander_start_x = fish->x;
             fish->wander_start_y = fish->y;
-            fish->wander_step = 0.1;
+            fish->wander_step = 0;
             fish->state = FISH_STATE_WANDER_TRANSITION;
         } break;
 
@@ -114,8 +114,9 @@ void fish_update(const struct app *app, struct fish *fish, float delta_time)
             }
             if (fish->wander_step >= 1.0) {
                 fish->state = FISH_STATE_WANDER_DONE;
+                break;
             }
-            fish->wander_step += 0.05 * delta_time;
+            fish->wander_step += 0.1 * delta_time;
         } break;
 
         case FISH_STATE_WANDER_DONE: {
@@ -207,6 +208,7 @@ void app_loop(struct app *app) {
         if (event.type == SDL_QUIT) {
             break;
         }
+        prev_ticks = current_ticks;
 
         {
             SDL_Delay(1);