diff --git a/appveyor.yml b/appveyor.yml
index 1e1fcfb755f..1ad75351222 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -75,11 +75,11 @@ install:
   - cmd: IF %PYTHON_VERSION% == 2.7 conda install -y functools32
 
   # Let the install prefer the static builds of the libs
-  - set LIBRARY_LIB=%CONDA_DEFAULT_ENV%\Library\lib
+  - set LIBRARY_LIB=%CONDA_PREFIX%\Library\lib
   - cmd: 'mkdir lib || cmd /c "exit /b 0"'
   - copy %LIBRARY_LIB%\zlibstatic.lib lib\z.lib
   - copy %LIBRARY_LIB%\libpng_static.lib lib\png.lib
-  - set MPLBASEDIRLIST=%CONDA_DEFAULT_ENV%\Library\;.
+  - set MPLBASEDIRLIST=%CONDA_PREFIX%\Library\;.
   # enables the local freetype build
   - copy ci\travis\setup.cfg .
   # Show the installed packages + versions