diff --git a/templates/vsprojects/vcxproj_defs.include b/templates/vsprojects/vcxproj_defs.include
index 61baa2b35de37643f11872d7ee32e6056e07b7e0..062a3b02476c31653465f211696334b9ec545135 100644
--- a/templates/vsprojects/vcxproj_defs.include
+++ b/templates/vsprojects/vcxproj_defs.include
@@ -56,7 +56,7 @@ ${gen_package_props(packages)}\
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="..\global.props" />
     % for prop in additional_props:
-    <Import Project="..\${prop}." />
+    <Import Project="..\${prop}.props" />
     % endfor
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
diff --git a/vsprojects/grpc_csharp_ext/grpc_csharp_ext.vcxproj b/vsprojects/grpc_csharp_ext/grpc_csharp_ext.vcxproj
index 501b0d9b1ab51f24658d90ee5aee6043c22981e5..2adb4a5367ea4430b50ddd7d6bbcbad1d1bb94f3 100644
--- a/vsprojects/grpc_csharp_ext/grpc_csharp_ext.vcxproj
+++ b/vsprojects/grpc_csharp_ext/grpc_csharp_ext.vcxproj
@@ -46,7 +46,7 @@
   <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="..\global.props" />
-    <Import Project="..\winsock." />
+    <Import Project="..\winsock.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">