diff --git a/src/js/game/systems/item_ejector.js b/src/js/game/systems/item_ejector.js
index 6374ebbd..eec12d09 100644
--- a/src/js/game/systems/item_ejector.js
+++ b/src/js/game/systems/item_ejector.js
@@ -166,7 +166,7 @@ export class ItemEjectorSystem extends GameSystemWithFilter {
                 if (destPath) {
                     maxProgress = Math.min(
                         1.0,
-                        sourceSlot.cachedBeltPath.spacingToFirstItem / globalConfig.itemSpacingOnBelts
+                        destPath.spacingToFirstItem / globalConfig.itemSpacingOnBelts
                     );
                 }