diff --git a/scripts/build_win_exiv2.bat b/scripts/build_win_exiv2.bat
index 4df1472..56092df 100644
--- a/scripts/build_win_exiv2.bat
+++ b/scripts/build_win_exiv2.bat
@@ -22,7 +22,5 @@ cmake ^
     -DCMAKE_INSTALL_PREFIX=%PREFIX% ^
     -DINSTALL_PKGCONFIG_DIR=%PKG_CONFIG_DIR% ^
     ../ || EXIT /B %ERRORLEVEL%
-cmake --build . --config Release && cmake --build . --config Release --target INSTALL ^
-    || cmake --build . --config Release && cmake --build . --config Release --target INSTALL ^
-    || EXIT /B %ERRORLEVEL%
+ninja && ninja install || ninja && ninja install || EXIT /B %ERRORLEVEL%
 ENDLOCAL
diff --git a/scripts/build_win_zlib.bat b/scripts/build_win_zlib.bat
index d03c5bf..75a1976 100644
--- a/scripts/build_win_zlib.bat
+++ b/scripts/build_win_zlib.bat
@@ -24,9 +24,7 @@ cmake ^
     -DCMAKE_INSTALL_PREFIX=%PREFIX% ^
     -DINSTALL_PKGCONFIG_DIR=%PKG_CONFIG_DIR% ^
     ../ || EXIT /B %ERRORLEVEL%
-cmake --build . --config Release && cmake --build . --config Release --target INSTALL ^
-    || cmake --build . --config Release && cmake --build . --config Release --target INSTALL ^
-    || EXIT /B %ERRORLEVEL%
+ninja && ninja install || ninja && ninja install || EXIT /B %ERRORLEVEL%
 CD %PREFIX%\include || EXIT /B 1
 patch -p1 zconf.h %PATCH_DIR%\zconf.h.patch || EXIT /B %ERRORLEVEL%
 ENDLOCAL