diff --git a/src/tests/run.proj b/src/tests/run.proj
index 162c5e02a8986..b58ae3c31b545 100644
--- a/src/tests/run.proj
+++ b/src/tests/run.proj
@@ -531,10 +531,10 @@ namespace $([System.String]::Copy($(Category)).Replace(".","_").Replace("\","").
         SourceFiles="@(RuntimePackNativeLibs)"
         DestinationFolder="$(BuildDir)" />
     <Copy
-        SourceFiles="$(TestDlls)"
+        SourceFiles="@(TestDlls)"
         DestinationFolder="$(BuildDir)" />
     <Copy
-        SourceFiles="$(XUnitWrapperDll)"
+        SourceFiles="@(XUnitWrapperDll)"
         DestinationFolder="$(BuildDir)" />
 
     <AppleAppBuilderTask