diff --git a/src/Umbraco.Core/ReadLock.cs b/src/Umbraco.Core/ReadLock.cs
index 4b36860c2d..7a933e5301 100644
--- a/src/Umbraco.Core/ReadLock.cs
+++ b/src/Umbraco.Core/ReadLock.cs
@@ -12,29 +12,22 @@ namespace Umbraco.Core
     /// <remarks>
     /// Intended as an infrastructure class.
     /// </remarks>
-    public class UpgradeableReadLock : IDisposable
+    public class ReadLock : IDisposable
     {
         private readonly ReaderWriterLockSlim _rwLock;
-		private bool _upgraded = false;
 
         /// <summary>
 		/// Initializes a new instance of the <see cref="ReadLock"/> class.
         /// </summary>
-        /// <param name="rwLock">The rw lock.</param>
-		public UpgradeableReadLock(ReaderWriterLockSlim rwLock)
+		public ReadLock(ReaderWriterLockSlim rwLock)
         {
             _rwLock = rwLock;
-            _rwLock.EnterUpgradeableReadLock();
+            _rwLock.EnterReadLock();
         }
 
-		public void UpgradeToWriteLock()
-		{
-			_rwLock.EnterWriteLock();
-		}
-
         void IDisposable.Dispose()
         {
-			_rwLock.ExitUpgradeableReadLock();
+            _rwLock.ExitReadLock();
         }
     }
 }
diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index 50e972ac1a..27093bf152 100644
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -53,8 +53,8 @@
     <Compile Include="Resolving\SingleResolved.cs" />
     <Compile Include="Resolving\SingleResolverBase.cs" />
     <Compile Include="TypeExtensions.cs" />
-    <Compile Include="UpgradeableReadLock.cs" />
     <Compile Include="ReadLock.cs" />
+    <Compile Include="UpgradeableReadLock.cs" />
     <Compile Include="DelegateEqualityComparer.cs" />
     <Compile Include="EnumerableExtensions.cs" />
     <Compile Include="IfExtensions.cs" />
@@ -71,7 +71,6 @@
       <Name>umbraco.businesslogic</Name>
     </ProjectReference>
   </ItemGroup>
-  <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/src/Umbraco.Core/UpgradeableReadLock.cs b/src/Umbraco.Core/UpgradeableReadLock.cs
index d6787b56f8..8a1108fc6f 100644
--- a/src/Umbraco.Core/UpgradeableReadLock.cs
+++ b/src/Umbraco.Core/UpgradeableReadLock.cs
@@ -12,23 +12,34 @@ namespace Umbraco.Core
     /// <remarks>
     /// Intended as an infrastructure class.
     /// </remarks>
-    public class ReadLock : IDisposable
+    public class UpgradeableReadLock : IDisposable
     {
         private readonly ReaderWriterLockSlim _rwLock;
+		private bool _upgraded = false;
 
         /// <summary>
 		/// Initializes a new instance of the <see cref="ReadLock"/> class.
         /// </summary>
-        /// <ReadLock name="rwLock">The rw lock.</param>
-		public ReadLock(ReaderWriterLockSlim rwLock)
+        /// <param name="rwLock">The rw lock.</param>
+		public UpgradeableReadLock(ReaderWriterLockSlim rwLock)
         {
             _rwLock = rwLock;
-            _rwLock.EnterReadLock();
+            _rwLock.EnterUpgradeableReadLock();
         }
 
+		public void UpgradeToWriteLock()
+		{
+			_rwLock.EnterWriteLock();
+			_upgraded = true;
+		}
+
         void IDisposable.Dispose()
         {
-            _rwLock.ExitReadLock();
+			if (_upgraded)
+			{
+				_rwLock.ExitWriteLock();
+			}
+			_rwLock.ExitUpgradeableReadLock();
         }
     }
 }