diff --git a/src/main/java/detrav/items/tools/DetravProspector.java b/src/main/java/detrav/items/tools/DetravProspector.java
index 5b3ee212997..6bc09f2056f 100644
--- a/src/main/java/detrav/items/tools/DetravProspector.java
+++ b/src/main/java/detrav/items/tools/DetravProspector.java
@@ -22,7 +22,7 @@ public int getBaseQuality() {
     @Override
     public float getMaxDurabilityMultiplier() {
         double x = tier + 1;
-        return (float) (0.00625D + (1.25D / 6D) * Math.tanh(Math.pow(x, (x / 8D)) / 25D));
+        return (float) (0.00625D + (1.25D * x / 6D) * Math.tanh(Math.pow(x, (x / 8D)) / 25D));
     }
 
     public IIconContainer getIcon(boolean aIsToolHead, ItemStack aStack) {