diff --git a/appveyor.yml b/appveyor.yml
index 94811b2..bd9c199 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -21,7 +21,7 @@ build_script:
 #  - git submodule add -b stable ../../pybind/pybind11 extern/pybind11
 #  - git submodule update --init
   - mkdir build && cd build
-  - cmake -DBUILD_SHARED_LIBS=OFF -DAPPS=OFF -G "Visual Studio 16 2019" -A%PLATFORM% ../
+  - cmake -DBUILD_SHARED_LIBS=OFF -DAPPS=OFF -G "Visual Studio 16 2019" -A%PLATFORM% -DPYTHON_EXECUTABLE=$(python -c "import sys; print(sys.executable)") ../
   - python ../pymodule/setup.py bdist_wheel
 #  - cmake --build ./ --config "%CONFIG%" .