diff --git a/prebuild.xml b/prebuild.xml
index a38f9b70df..d02004b54d 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -170,7 +170,9 @@
       <Reference name="OpenSim.Framework"/>
 
       <Files>
-        <Match pattern="*.cs" recurse="true"/>
+        <Match pattern="*.cs" recurse="true">
+          <Exclude name="Tests" pattern="Tests"/>
+        </Match>
       </Files>
     </Project>
 
@@ -3470,6 +3472,37 @@
       </Files>
     </Project>
 
+    <Project frameworkVersion="v3_5" name="OpenSim.Framework.Serialization.Tests" path="OpenSim/Framework/Serialization/Tests" type="Library">
+      <Configuration name="Debug">
+        <Options>
+          <OutputPath>../../../../bin/</OutputPath>
+        </Options>
+      </Configuration>
+      <Configuration name="Release">
+        <Options>
+          <OutputPath>../../../../bin/</OutputPath>
+        </Options>
+      </Configuration>
+
+      <ReferencePath>../../../../bin/</ReferencePath>
+      <Reference name="System"/>
+      <Reference name="OpenSim.Data"/>
+      <Reference name="OpenSim.Services.Interfaces"/>
+      <Reference name="OpenSim.Tests.Common"/>
+      <Reference name="OpenSim.Framework"/>
+      <Reference name="OpenSim.Framework.Serialization"/>
+      <Reference name="OpenSim.Framework.Serialization.External"/>
+      <Reference name="log4net.dll"/>
+      <Reference name="OpenMetaverse.dll"/>
+      <Reference name="OpenMetaverse.StructuredData.dll"/>
+      <Reference name="nunit.framework.dll" />
+
+      <Files>
+        <Match pattern="*.cs" recurse="true">
+        </Match>
+      </Files>
+    </Project>
+
     <Project frameworkVersion="v3_5" name="OpenSim.Framework.Servers.Tests" path="OpenSim/Framework/Servers/Tests" type="Library">
       <Configuration name="Debug">
         <Options>