diff --git a/appveyor/install_kiwix-lib.cmd b/appveyor/install_kiwix-lib.cmd
index afbe3bf..42461f1 100644
--- a/appveyor/install_kiwix-lib.cmd
+++ b/appveyor/install_kiwix-lib.cmd
@@ -2,7 +2,7 @@ REM ========================================================
 REM Install kiwix-lib
 git clone https://github.com/kiwix/kiwix-lib.git || exit /b 1
 cd kiwix-lib
-meson.py . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
+meson . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
 cd build
 ninja || exit /b 1
 ninja install || exit /b 1
diff --git a/appveyor/install_libzim.cmd b/appveyor/install_libzim.cmd
index 4fe5e41..18e42d6 100644
--- a/appveyor/install_libzim.cmd
+++ b/appveyor/install_libzim.cmd
@@ -2,7 +2,7 @@ REM ========================================================
 REM Install libzim
 git clone https://github.com/openzim/libzim.git || exit /b 1
 cd libzim
-meson.py . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
+meson . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
 cd build
 ninja || exit /b 1
 ninja install || exit /b 1
diff --git a/appveyor/install_pugixml.cmd b/appveyor/install_pugixml.cmd
index 8b38374..e005d91 100644
--- a/appveyor/install_pugixml.cmd
+++ b/appveyor/install_pugixml.cmd
@@ -3,7 +3,7 @@ REM Install pugixml
 curl -fsSL -O http://public.kymeria.fr/KIWIX/windows/pugixml-1.2-meson.zip || exit /b 1
 7z x pugixml-1.2-meson.zip -o. || exit /b 1
 cd pugixml-1.2-meson
-meson.py . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
+meson . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
 cd build
 ninja || exit /b 1
 ninja install || exit /b 1
diff --git a/appveyor/install_zlib.cmd b/appveyor/install_zlib.cmd
index 31ab3ed..2e1a00b 100644
--- a/appveyor/install_zlib.cmd
+++ b/appveyor/install_zlib.cmd
@@ -3,7 +3,7 @@ REM Install zlib
 curl -fsSL -O http://public.kymeria.fr/KIWIX/windows/zlib-1.2.11.meson.zip || exit /b 1
 7z x zlib-1.2.11.meson.zip || exit /b 1
 cd zlib-1.2.11
-meson.py . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
+meson . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
 cd build
 ninja || exit /b 1
 ninja install || exit /b 1