diff --git a/src/core/Void.js b/src/core/Void.js
index 816da1d..33e0205 100644
--- a/src/core/Void.js
+++ b/src/core/Void.js
@@ -45,7 +45,8 @@ class Void {
     const area = TARGET_RADIUS ** 2 * Math.PI;
     const online = socketEvents.onlineCounter.total || 0;
     // adjusted from 1.8 to 2.0 on 2022.04.26
-    const requiredSpeed = Math.floor(online / 2.0);
+    // adjusted back to 1.8 on 2022.08.12
+    const requiredSpeed = Math.floor(online / 1.8);
     const ppm = Math.ceil(area / targetDuration + requiredSpeed);
     this.msTimeout = 60 * 1000 / ppm;
     this.area = new Uint8Array(TILE_SIZE * 3 * TILE_SIZE * 3);