diff --git a/.github/workflows/python-build.yml b/.github/workflows/python-build.yml
index 5d5778a..870f672 100644
--- a/.github/workflows/python-build.yml
+++ b/.github/workflows/python-build.yml
@@ -1,4 +1,4 @@
-name: Python modules
+name: Python modules (build)
 
 on:
   push:
@@ -17,6 +17,8 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
         python-version: ["3.9", "3.10", "3.11"]
     runs-on: ${{ matrix.os }}
+    env:
+      BIN_DIR: ${{ runner.os == 'Windows' && 'Scripts' || 'bin' }}
 
     steps:
       - uses: actions/checkout@v3
@@ -41,17 +43,17 @@ jobs:
           python -m pip install --upgrade pip build
           mkdir .venv
           python -m venv .venv/build
-          (. .venv/build/bin/activate && python -m pip install --upgrade pip build && deactivate)
+          (. .venv/build/${{ env.BIN_DIR }}/activate && python -m pip install --upgrade pip build && deactivate)
           python -m venv .venv/build-cli
-          (. .venv/build-cli/bin/activate && python -m pip install --upgrade pip build && deactivate)
+          (. .venv/build-cli/${{ env.BIN_DIR }}/activate && python -m pip install --upgrade pip build && deactivate)
           python -m venv .venv/install
-          (. .venv/install/bin/activate && python -m pip install --upgrade pip build && deactivate)
+          (. .venv/install/${{ env.BIN_DIR }}/activate && python -m pip install --upgrade pip build && deactivate)
       - name: Test building and packaging
         run: |
-          (. .venv/build/bin/activate && cd partcad && python -m build && deactivate)
-          (. .venv/build-cli/bin/activate && python -m pip install partcad/dist/partcad-[0-9].[0-9]*.[0-9]*-py3-none-any.whl && deactivate)
-          (. .venv/build-cli/bin/activate && cd partcad-cli && python -m build && deactivate)
+          (. .venv/build/${{ env.BIN_DIR }}/activate && cd partcad && python -m build && deactivate)
+          (. .venv/build-cli/${{ env.BIN_DIR }}/activate && python -m pip install partcad/dist/partcad-[0-9].[0-9]*.[0-9]*-py3-none-any.whl && deactivate)
+          (. .venv/build-cli/${{ env.BIN_DIR }}/activate && cd partcad-cli && python -m build && deactivate)
       - name: Test installation
         run: |
-          (. .venv/install/bin/activate && python -m pip install     partcad/dist/partcad-[0-9].[0-9]*.[0-9]*-py3-none-any.whl && deactivate)
-          (. .venv/install/bin/activate && python -m pip install partcad-cli/dist/partcad_cli-[0-9].[0-9]*.[0-9]*-py3-none-any.whl && deactivate)
+          (. .venv/install/${{ env.BIN_DIR }}/activate && python -m pip install     partcad/dist/partcad-[0-9].[0-9]*.[0-9]*-py3-none-any.whl && deactivate)
+          (. .venv/install/${{ env.BIN_DIR }}/activate && python -m pip install partcad-cli/dist/partcad_cli-[0-9].[0-9]*.[0-9]*-py3-none-any.whl && deactivate)
diff --git a/.github/workflows/python-test.yml b/.github/workflows/python-test.yml
index 5ae51f0..7e480c5 100644
--- a/.github/workflows/python-test.yml
+++ b/.github/workflows/python-test.yml
@@ -1,4 +1,4 @@
-name: Python modules
+name: Python modules (test)
 
 on:
   push: