diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/Resources/DotNetEngine.addin.xml b/OpenSim/Region/ScriptEngine/DotNetEngine/Resources/DotNetEngine.addin.xml
new file mode 100644
index 0000000000..78a8dca4ff
--- /dev/null
+++ b/OpenSim/Region/ScriptEngine/DotNetEngine/Resources/DotNetEngine.addin.xml
@@ -0,0 +1,13 @@
+<Addin id="OpenSim.Region.ScriptEngine.DotNetEngine" version="0.2">
+    <Runtime>
+        <Import assembly="OpenSim.Region.ScriptEngine.DotNetEngine.dll"/>
+    </Runtime>
+
+    <Dependencies>
+        <Addin id="OpenSim" version="0.5" />
+    </Dependencies>
+
+    <Extension path = "/OpenSim/RegionModules">
+        <RegionModule id="DotNetEngine" type="OpenSim.Region.ScriptEngine.DotNetEngine.ScriptEngine" />
+    </Extension>
+</Addin>
diff --git a/OpenSim/Region/ScriptEngine/XEngine/Resources/XEngine.addin.xml b/OpenSim/Region/ScriptEngine/XEngine/Resources/XEngine.addin.xml
new file mode 100644
index 0000000000..96c9c3a38c
--- /dev/null
+++ b/OpenSim/Region/ScriptEngine/XEngine/Resources/XEngine.addin.xml
@@ -0,0 +1,13 @@
+<Addin id="OpenSim.Region.ScriptEngine.XEngine" version="0.2">
+    <Runtime>
+        <Import assembly="OpenSim.Region.ScriptEngine.XEngine.dll"/>
+    </Runtime>
+
+    <Dependencies>
+        <Addin id="OpenSim" version="0.5" />
+    </Dependencies>
+
+    <Extension path = "/OpenSim/RegionModules">
+        <RegionModule id="XEngine" type="OpenSim.Region.ScriptEngine.XEngine.XEngine" />
+    </Extension>
+</Addin>
diff --git a/prebuild.xml b/prebuild.xml
index f36979dde9..21f8e5b721 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -2263,6 +2263,7 @@
       <Reference name="log4net.dll"/>
 
       <Files>
+        <Match pattern="*.addin.xml" path="Resources" buildAction="EmbeddedResource" recurse="true"/>
         <Match pattern="*.cs" recurse="true">
           <Exclude name="Tests" pattern="Tests" />
         </Match>
@@ -2305,6 +2306,7 @@
       <Reference name="Tools.dll"/>
 
       <Files>
+        <Match pattern="*.addin.xml" path="Resources" buildAction="EmbeddedResource" recurse="true"/>
         <Match pattern="*.cs" recurse="true"/>
       </Files>
     </Project>