diff --git a/mingw-w64-bullet/PKGBUILD b/mingw-w64-bullet/PKGBUILD
index e62c62e7de..55ba8cb858 100644
--- a/mingw-w64-bullet/PKGBUILD
+++ b/mingw-w64-bullet/PKGBUILD
@@ -100,6 +100,9 @@ package_python-pybullet() {
   cd "${srcdir}/build-${MSYSTEM}"
 
   DESTDIR="${pkgdir}" cmake --install . --component pybullet
+
+  MSYS2_ARG_CONV_EXCL="-p" python -m compileall \
+    -o 0 -o 1 -q -s"${pkgdir}" -p"/" "${pkgdir}${MINGW_PREFIX}/lib/python"*
 }
 
 # template start; name=mingw-w64-splitpkg-wrappers; version=1.0;