diff --git a/.github/workflows/experiment.yml b/.github/workflows/experiment.yml
index d2f458e..5c608f9 100644
--- a/.github/workflows/experiment.yml
+++ b/.github/workflows/experiment.yml
@@ -34,5 +34,5 @@ jobs:
       run: echo $PWD\spatialite-loadable-modules-5.0.0-win-amd64
     - name: Verify installation
       run: |
-        python -c "import sqlite3; db = sqlite3.Connection(':memory:'); db.enable_load_extension(True); db.load_extension('$env:GITHUB_WORKSPACE\spatialite-loadable-modules-5.0.0-win-amd64'); print(db.execute('select spatialite_version()').fetchall())"
+        python -c "import sqlite3; db = sqlite3.Connection(':memory:'); db.enable_load_extension(True); db.load_extension('$env:GITHUB_WORKSPACE\spatialite-loadable-modules-5.0.0-win-amd64\mod_spatialite.dll'); print(db.execute('select spatialite_version()').fetchall())"
         # datasette --version