diff --git a/Orchard.proj b/Orchard.proj
index 5ed274adb..7bea6b213 100644
--- a/Orchard.proj
+++ b/Orchard.proj
@@ -312,6 +312,7 @@
         $(MSBuildProjectDirectory)\**\*.user;
         $(MSBuildProjectDirectory)\**\*.patch;
         $(MSBuildProjectDirectory)\**\*.hg*\**\*;
+        $(LibFolder)\nunit\addins\**\*;
         " />
 
       <Zip-Stage Include="$(StageFolder)\**\*" />