diff --git a/SCADA/Program/DataService/CacheReader.cs b/SCADA/Program/DataService/CacheReader.cs
index ac64220..45819d9 100644
--- a/SCADA/Program/DataService/CacheReader.cs
+++ b/SCADA/Program/DataService/CacheReader.cs
@@ -503,7 +503,7 @@ namespace DataService
 
         public unsafe ItemData<bool> ReadBit(DeviceAddress address)
         {
-            return new ItemData<bool>((_cache[address.CacheIndex] & (1 << address.Bit.BitSwap())) != 0, 0, QUALITIES.QUALITY_GOOD);
+            return new ItemData<bool>((_cache[address.CacheIndex] & (1 << address.Bit)) != 0, 0, QUALITIES.QUALITY_GOOD);
         }
 
         public ItemData<short> ReadInt16(DeviceAddress address)
diff --git a/SCADA/Program/DataService/bin/Debug/DataService.dll b/SCADA/Program/DataService/bin/Debug/DataService.dll
index ee1ce68..344c599 100644
Binary files a/SCADA/Program/DataService/bin/Debug/DataService.dll and b/SCADA/Program/DataService/bin/Debug/DataService.dll differ
diff --git a/SCADA/Program/DataService/obj/Debug/DataService.dll b/SCADA/Program/DataService/obj/Debug/DataService.dll
index ee1ce68..344c599 100644
Binary files a/SCADA/Program/DataService/obj/Debug/DataService.dll and b/SCADA/Program/DataService/obj/Debug/DataService.dll differ