diff --git a/appveyor.yml b/appveyor.yml
index 6c4d21c45..a3441bbd5 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -27,6 +27,8 @@ install:
   # build wxWidgets
   - cmd: chdir %WXWIN%\build\msw
   - cmd: nmake -f makefile.vc BUILD=release COMPILER_PREFIX=vc142
+  - cmd: dir %WXWIN%\lib
+  - cmd: dir %WXWIN%\lib\vc142_x64_dll
   - cmd: chdir %APPVEYOR_BUILD_FOLDER%
 
 build_script: