--- src/NLog.Extended/NLog.Extended.monodevelop.csproj.old	2011-07-15 21:13:45.981007644 +0200
+++ src/NLog.Extended/NLog.Extended.monodevelop.csproj	2011-07-15 21:14:03.452000732 +0200
@@ -84,8 +84,10 @@
     </ProjectReference>
   </ItemGroup>
   <Target Name="BeforeBuild">
-    <ItemGroup Condition="Exists('$(BuildInfoFile)')">
-      <Compile Include="$(BuildInfoFile)" />
+    <ItemGroup Condition="'$(BuildInfoFile)' != '' ">
+      <ItemGroup Condition="Exists('$(BuildInfoFile)')">
+        <Compile Include="$(BuildInfoFile)" />
+      </ItemGroup>
     </ItemGroup>
   </Target>
 </Project>