diff --git a/src/main/java/com/gmail/nossr50/skills/Excavation.java b/src/main/java/com/gmail/nossr50/skills/Excavation.java
index 7606e9b6e..786e5d1f2 100644
--- a/src/main/java/com/gmail/nossr50/skills/Excavation.java
+++ b/src/main/java/com/gmail/nossr50/skills/Excavation.java
@@ -206,7 +206,7 @@ public class Excavation
 			if(!player.getItemInHand().containsEnchantment(Enchantment.DURABILITY))
 			{
 				short durability = player.getItemInHand().getDurability();
-				durability -= LoadProperties.abilityDurabilityLoss;
+				durability += LoadProperties.abilityDurabilityLoss;
 				player.getItemInHand().setDurability(durability);
 			}
     	}
diff --git a/src/main/java/com/gmail/nossr50/skills/Mining.java b/src/main/java/com/gmail/nossr50/skills/Mining.java
index 5a9a3b151..6ed720af2 100644
--- a/src/main/java/com/gmail/nossr50/skills/Mining.java
+++ b/src/main/java/com/gmail/nossr50/skills/Mining.java
@@ -266,7 +266,7 @@ public class Mining
     		if(!player.getItemInHand().containsEnchantment(Enchantment.DURABILITY))
     		{
 				short durability = player.getItemInHand().getDurability();
-				durability -= LoadProperties.abilityDurabilityLoss;
+				durability += LoadProperties.abilityDurabilityLoss;
 				player.getItemInHand().setDurability(durability);
     		}
     	}
diff --git a/src/main/java/com/gmail/nossr50/skills/WoodCutting.java b/src/main/java/com/gmail/nossr50/skills/WoodCutting.java
index c480b04be..7d5213c7f 100644
--- a/src/main/java/com/gmail/nossr50/skills/WoodCutting.java
+++ b/src/main/java/com/gmail/nossr50/skills/WoodCutting.java
@@ -263,13 +263,9 @@ public class WoodCutting
 	    {
 	    	if(!player.getItemInHand().containsEnchantment(Enchantment.DURABILITY))
 	    	{
-	    		System.out.println("BEFORE");
-	    		System.out.println(player.getItemInHand().getDurability());
 				short durability = player.getItemInHand().getDurability();
-				durability -= LoadProperties.abilityDurabilityLoss;
+				durability += LoadProperties.abilityDurabilityLoss;
 				player.getItemInHand().setDurability(durability);
-				System.out.println("AFTER");
-				System.out.println(player.getItemInHand().getDurability());
 	    	}
 	    }