diff --git a/src/js/game/systems/belt_reader.js b/src/js/game/systems/belt_reader.js
index 494d8d5d..2e09d9c1 100644
--- a/src/js/game/systems/belt_reader.js
+++ b/src/js/game/systems/belt_reader.js
@@ -43,7 +43,10 @@ export class BeltReaderSystem extends GameSystemWithFilter {
                     throughput = 1 / (averageSpacing / averageSpacingNum) + 0.01;
                 }
 
-                readerComp.lastThroughput = Math.min(globalConfig.beltSpeedItemsPerSecond * this.root.hubGoals.upgradeLevels["belt"], throughput);
+                readerComp.lastThroughput = Math.min(
+                    globalConfig.beltSpeedItemsPerSecond * this.root.hubGoals.upgradeLevels.belt,
+                    throughput
+                );
             }
 
             // Set the pins value - shape output consistent with the boolean output