diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0f250259..9c2a67b9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -538,13 +538,11 @@ jobs:
             # brew OpenSSL gets picked up by PyInstaller
             # breaking our self-compiled version
             brew uninstall --ignore-dependencies openssl
-            export PYINSTALLER_BUILD_ONEDIR=yes
           elif [[ "${RUNNER_OS}" == "Windows" ]]; then
             # Work around issue where PyInstaller picks up python3.dll from other Python versions
             # https://github.com/pyinstaller/pyinstaller/issues/7102
             export PATH="$(dirname ${PYTHON}):/usr/bin"
-            export PYINSTALLER_BUILD_ONEDIR=no
-          elif [[ "${staticx}" != "yes" ]]; then
+          if [[ "${staticx}" != "yes" ]]; then
             export PYINSTALLER_BUILD_ONEDIR=yes
           fi
           "${PYTHON}" -m PyInstaller --clean --noconfirm --distpath="${distpath}" gam.spec