diff --git a/Projects/UOContent/Items/Skill Items/Tools/BaseRunicTool.cs b/Projects/UOContent/Items/Skill Items/Tools/BaseRunicTool.cs
index 1ef69eb45..d829c5064 100644
--- a/Projects/UOContent/Items/Skill Items/Tools/BaseRunicTool.cs	
+++ b/Projects/UOContent/Items/Skill Items/Tools/BaseRunicTool.cs	
@@ -132,7 +132,7 @@ namespace Server.Items
                 percent = v;
             }
 
-            percent *= 10000 + 10000 / Math.Abs(high - low) + 1;
+            percent *= 10000 + 10000 / (Math.Abs(high - low) + 1);
 
             return low + (high - low) * percent / 1000001;
         }