diff --git a/.github/workflows/test-pyodide.yml b/.github/workflows/test-pyodide.yml
index 3715d055..beb6a5fb 100644
--- a/.github/workflows/test-pyodide.yml
+++ b/.github/workflows/test-pyodide.yml
@@ -21,7 +21,7 @@ jobs:
         key: ${{ runner.os }}-browsers
     - name: Install Playwright dependencies
       run: |
-        pip install shot-scraper
+        pip install shot-scraper build
         shot-scraper install
     - name: Run test
       run: |
diff --git a/test-in-pyodide-with-shot-scraper.sh b/test-in-pyodide-with-shot-scraper.sh
index 0f29c0e0..e5df7398 100755
--- a/test-in-pyodide-with-shot-scraper.sh
+++ b/test-in-pyodide-with-shot-scraper.sh
@@ -1,12 +1,12 @@
 #!/bin/bash
+set -e
+# So the script fails if there are any errors
 
 # Build the wheel
 python3 -m build
 
-# Find name of wheel
+# Find name of wheel, strip off the dist/
 wheel=$(basename $(ls dist/*.whl))
-# strip off the dist/
-
 
 # Create a blank index page
 echo '