diff --git a/About/About.xml b/About/About.xml
index f61d3519..2ec6f2ae 100644
--- a/About/About.xml
+++ b/About/About.xml
@@ -70,6 +70,7 @@ rw-chaos:    German translation (update)
 Marcos Villar:    Portuguese (Brazilian) translation (update)
 CrapoFR:    French translation update
 maarxx:    Fix for settings persistance bug, add unassign training option, add restrict wool/milkable option
+rimpy-custom:    Fix for Russian translation
 
 <size=24>Version</size>
 This is version 4.25.600, for RimWorld 1.1.2566.
diff --git a/Assemblies/Fluffy_ColonyManager.dll b/Assemblies/Fluffy_ColonyManager.dll
index bb8b7cd9..6434b2c5 100644
Binary files a/Assemblies/Fluffy_ColonyManager.dll and b/Assemblies/Fluffy_ColonyManager.dll differ
diff --git a/Readme.md b/Readme.md
index 0990c942..99618e40 100644
--- a/Readme.md
+++ b/Readme.md
@@ -57,6 +57,7 @@ In theory there is no real limit to the number of manager jobs that can be creat
  - Marcos Villar:	Portuguese (Brazilian) translation (update)
  - CrapoFR:	French translation update
  - maarxx:	Fix for settings persistance bug, add unassign training option, add restrict wool/milkable option
+ - rimpy-custom:	Fix for Russian translation
 
 # Think you found a bug? 
 Please read [this guide](http://steamcommunity.com/sharedfiles/filedetails/?id=725234314) before creating a bug report,
diff --git a/Source/ManagerTabs/ManagerTab_Power.cs b/Source/ManagerTabs/ManagerTab_Power.cs
index 88d174e1..467785fd 100644
--- a/Source/ManagerTabs/ManagerTab_Power.cs
+++ b/Source/ManagerTabs/ManagerTab_Power.cs
@@ -176,11 +176,18 @@ public override void Tick()
                 // update the history tracker.
                 var trade = GetCurrentTrade();
                 tradingHistory.Update( trade );
-                overallHistory.Update( trade.Where( i => i > 0 ).Sum(), trade.Where( i => i < 0 ).Sum( Math.Abs ),
+                overallHistory.Update( trade.Where( i => i > 0 ).Sum(), trade.Where( i => i < 0 ).Sum( SafeAbs ),
                                        GetCurrentBatteries().Sum() );
             }
         }
 
+        private static int SafeAbs( int value )
+        {
+            if ( value >= 0 ) return value;
+            if ( value == int.MinValue ) return int.MaxValue;
+            return -value;
+        }
+
         private void DrawConsumption( Rect canvas )
         {
             // setup rects