diff --git a/src/engine/gameManager/ForgeManager.java b/src/engine/gameManager/ForgeManager.java
index 9d0ceca6..044c4cc5 100644
--- a/src/engine/gameManager/ForgeManager.java
+++ b/src/engine/gameManager/ForgeManager.java
@@ -149,7 +149,7 @@ public enum ForgeManager implements Runnable {
             return false;
         }
 
-        if (calcCostOverflow(workOrder).isEmpty() == false) {
+        if (!calcCostOverrun(workOrder).isEmpty()) {
             if (playerCharacter != null)
                 ErrorPopupMsg.sendErrorPopup(playerCharacter, 18);      //18: You can't really afford that
             return false;
@@ -224,7 +224,7 @@ public enum ForgeManager implements Runnable {
         return production_cost;
     }
 
-    public static HashMap<mbEnums.ResourceType, Integer> calcCostOverflow(WorkOrder workOrder) {
+    public static HashMap<mbEnums.ResourceType, Integer> calcCostOverrun(WorkOrder workOrder) {
 
         HashMap<mbEnums.ResourceType, Integer> costMap = new HashMap<>();
         Warehouse warehouse;