diff --git a/build/Elmah.Contrib.WebApi.targets b/build/Elmah.Contrib.WebApi.targets
index 1b1b8b2..6767edf 100644
--- a/build/Elmah.Contrib.WebApi.targets
+++ b/build/Elmah.Contrib.WebApi.targets
@@ -21,7 +21,7 @@
 
     <!-- cleanup any files we won't be distributing in our nupkg -->
     <ItemGroup> 
-      <FilesToRemove Include="$(OutputDir)\*.*" Exclude="$(OutputDir)\**\Elmah.Contrib.WebApi.*" />
+      <FilesToRemove Include="$(OutputDir)\**\*.*" Exclude="$(OutputDir)\**\Elmah.Contrib.WebApi.*" />
     </ItemGroup>
     <Delete Files="@(FilesToRemove)" />