diff --git a/.github/workflows/buildwheel.yml b/.github/workflows/buildwheel.yml
index 2b45a59f..a2f214dd 100644
--- a/.github/workflows/buildwheel.yml
+++ b/.github/workflows/buildwheel.yml
@@ -36,14 +36,6 @@ jobs:
       - run: choco install -y --stoponfirstfailure --checksum 6004DF17818F5A6DBF19CB335CC92702 pkgconfiglite
         if: ${{ startsWith( matrix.os , 'windows' ) }}
 
-        # We have to set this here rather than in the cibuildwheel config
-        # This is probably something to do with \ vs / in paths...
-      - run: |
-          $pkgConfigPath = "${{ github.workspace }}/.local/lib/pkgconfig"
-          $pkgConfigPath = $pkgConfigPath.Replace('\', '/')
-          echo "PKG_CONFIG_PATH=$pkgConfigPath" >> $env:GITHUB_ENV
-        if: ${{ startsWith( matrix.os , 'windows' ) }}
-
       - name: Build wheels
         uses: pypa/cibuildwheel@298ed2fb2c105540f5ed055e8a6ad78d82dd3a7e # v3.3.1
         env:
diff --git a/pyproject.toml b/pyproject.toml
index 399b0e23..1209c9d1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -117,9 +117,7 @@ PKG_CONFIG_PATH = "$(pwd)/.local/lib/pkgconfig"
 PKG_CONFIG_PATH = "$(pwd)/.local/lib/pkgconfig"
 
 [tool.cibuildwheel.windows.environment]
-# Setting PKG_CONFIG_PATH here breaks pkgconfig for some reason...
-# We set it in the CI workflow instead.
-# PKG_CONFIG_PATH = "$(pwd)/.local/lib/pkgconfig:$PKG_CONFIG_PATH"
+PKG_CONFIG_PATH = "$(pwd)/.local/lib/pkgconfig;$PKG_CONFIG_PATH"
 
 [tool.cibuildwheel.linux]
 before-all = "bin/cibw_before_all_linux_$(uname -m).sh"