diff --git a/build-python-host-emscripten.sh b/build-python-host-emscripten.sh
index ad446c7..a896c24 100755
--- a/build-python-host-emscripten.sh
+++ b/build-python-host-emscripten.sh
@@ -5,17 +5,14 @@ shopt -s extglob
 mkdir -p cpython/builddir/host
 mkdir -p cpython/builddir/usr/local
 
-export PYTHON_FOR_BUILD="$(pwd)/cpython/builddir/build/python"
-
 # install emcc ports so configure is able to detect the dependencies
 embuilder build zlib bzip2
 
 pushd cpython/builddir/host
 cp ../../../config.site-wasm config.site-wasm
-CONFIG_SITE=config.site-wasm READELF=true ZLIB_LIBS="-s USE_ZLIB" BZIP2_LIBS="-s USE_BZIP2" emconfigure ../../configure -C --without-pymalloc --enable-big-digits=30 --with-pydebug --with-suffix=.wasm --with-ensurepip=no --disable-ipv6 --host=wasm32-unknown-emscripten --build=$(../../config.guess)
+CONFIG_SITE=config.site-wasm READELF=true ZLIB_LIBS="-s USE_ZLIB" BZIP2_LIBS="-s USE_BZIP2" emconfigure ../../configure -C --without-pymalloc --enable-big-digits=30 --with-pydebug --with-ensurepip=no --disable-ipv6 --host=wasm32-unknown-emscripten --build=$(../../config.guess) --with-build-python=$(pwd)/../build/python --with-freeze-module=$(pwd)/../build/Programs/_freeze_module
 ln -sfr Modules/Setup.stdlib Modules/Setup.local
-export FREEZE_MODULE=../build/Programs/_freeze_module
-emmake make CROSS_COMPILE=yes FREEZE_MODULE=../build/Programs/_freeze_module PYTHON_FOR_BUILD=../build/python _PYTHON_HOST_PLATFORM=wasm32-unknown-emscripten -j$(nproc)
+emmake make -j$(nproc)
 make altinstall prefix=../usr/local
 pushd ../usr/local
 # not needed, as the binary is already loaded by the .html