diff --git a/src/js/core/config.js b/src/js/core/config.js
index aedda0ab..41b2c9da 100644
--- a/src/js/core/config.js
+++ b/src/js/core/config.js
@@ -38,7 +38,7 @@ export const globalConfig = {
 
     // Belt speeds
     // NOTICE: Update webpack.production.config too!
-    beltSpeedItemsPerSecond: 5,
+    beltSpeedItemsPerSecond: 1,
     itemSpacingOnBelts: 0.63,
     minerSpeedItemsPerSecond: 0, // COMPUTED