diff --git a/appveyor.yml b/appveyor.yml
index 2a389ace5..b3c6221fe 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -24,16 +24,16 @@ environment:
       configuration: "Release"
       vcvarsall_platform: "x64"
       PlatformToolset: "v120"
-    - VisualStudioVersion: 15.0
+    - VisualStudioVersion: 14.0
       platform: "Win32"
       configuration: "Debug"
       vcvarsall_platform: "x86"
-      PlatformToolset: "v141"
-    - VisualStudioVersion: 15.0
+      PlatformToolset: "v140"
+    - VisualStudioVersion: 14.0
       platform: "x64"
       configuration: "Debug"
       vcvarsall_platform: "x64"
-      PlatformToolset: "v141"
+      PlatformToolset: "v140"
 
 build_script:
   - ECHO Building %configuration% %platform% with MSVC %VisualStudioVersion% using %PlatformToolset% PlatformToolset