diff --git a/.appveyor.yml b/.appveyor.yml
index 42b14eab..65730b20 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -35,11 +35,11 @@ test_script:
 
 - cmd: >-
 
-    msbuild /t:Build /p:PlatformToolset=DefaultPlatformToolset cryptlib.vcxproj
+    msbuild /t:Build cryptlib.vcxproj
 
-    msbuild /t:Build /p:PlatformToolset=DefaultPlatformToolset cryptest.vcxproj
+    msbuild /t:Build cryptest.vcxproj
 
-    msbuild /t:CopyCryptestToRoot /p:PlatformToolset=DefaultPlatformToolset cryptest.vcxproj
+    msbuild /t:CopyCryptestToRoot cryptest.vcxproj
 
     cryptest.exe v