diff --git a/appveyor.yml b/appveyor.yml
index 66bae23..3c92a4d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -17,7 +17,7 @@ environment:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       TOOLSET: clang
       CLANG_WIN: 1
-      USER_CONFIG: "using clang-win : : : <compatibility>vc14 ;"
+      USER_CONFIG: "using clang-win : : clang-cl.exe : <compatibility>vc14 ;"
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
       TOOLSET: msvc-9.0
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013