diff --git a/src/csharp/build_unitypackage.bat b/src/csharp/build_unitypackage.bat
index 90f8c17fbff..0dcc38ee96d 100644
--- a/src/csharp/build_unitypackage.bat
+++ b/src/csharp/build_unitypackage.bat
@@ -41,8 +41,8 @@ xcopy /Y /I nativelibs\csharp_ext_windows_x64\grpc_csharp_ext.dll ..\..\cmake\bu
 @rem copy Grpc assemblies to the unity package skeleton
 @rem TODO(jtattermusch): Add Grpc.Auth assembly and its dependencies
 copy /Y Grpc.Core\bin\Release\net45\Grpc.Core.dll unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\lib\net45\Grpc.Core.dll || goto :error
-copy /Y Grpc.Core\bin\Release\net45\Grpc.Core.pdb unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\lib\net45\Grpc.Core.dll || goto :error
-copy /Y Grpc.Core\bin\Release\net45\Grpc.Core.xml unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\lib\net45\Grpc.Core.dll || goto :error
+copy /Y Grpc.Core\bin\Release\net45\Grpc.Core.pdb unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\lib\net45\Grpc.Core.pdb || goto :error
+copy /Y Grpc.Core\bin\Release\net45\Grpc.Core.xml unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\lib\net45\Grpc.Core.xml || goto :error
 
 @rem copy desktop native libraries to the unity package skeleton
 copy /Y nativelibs\csharp_ext_linux_x86\libgrpc_csharp_ext.so unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\runtimes\linux\x86\libgrpc_csharp_ext.so || goto :error
diff --git a/templates/src/csharp/build_unitypackage.bat.template b/templates/src/csharp/build_unitypackage.bat.template
index f5af9225c5a..a53e385f9b1 100755
--- a/templates/src/csharp/build_unitypackage.bat.template
+++ b/templates/src/csharp/build_unitypackage.bat.template
@@ -43,8 +43,8 @@
   @rem copy Grpc assemblies to the unity package skeleton
   @rem TODO(jtattermusch): Add Grpc.Auth assembly and its dependencies
   copy /Y Grpc.Core\bin\Release\net45\Grpc.Core.dll unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\lib\net45\Grpc.Core.dll || goto :error
-  copy /Y Grpc.Core\bin\Release\net45\Grpc.Core.pdb unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\lib\net45\Grpc.Core.dll || goto :error
-  copy /Y Grpc.Core\bin\Release\net45\Grpc.Core.xml unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\lib\net45\Grpc.Core.dll || goto :error
+  copy /Y Grpc.Core\bin\Release\net45\Grpc.Core.pdb unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\lib\net45\Grpc.Core.pdb || goto :error
+  copy /Y Grpc.Core\bin\Release\net45\Grpc.Core.xml unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\lib\net45\Grpc.Core.xml || goto :error
 
   @rem copy desktop native libraries to the unity package skeleton
   copy /Y nativelibs\csharp_ext_linux_x86\libgrpc_csharp_ext.so unitypackage\unitypackage_skeleton\Plugins\Grpc.Core\runtimes\linux\x86\libgrpc_csharp_ext.so || goto :error