diff --git a/.github/workflows/test_and_build.yml b/.github/workflows/test_and_build.yml
index 16dd001f5..add3d34aa 100644
--- a/.github/workflows/test_and_build.yml
+++ b/.github/workflows/test_and_build.yml
@@ -79,6 +79,10 @@ jobs:
       - name: Check phar
         run: sudo ./easyengine.phar cli info
 
+      - name: Check phar contents
+        run: |
+          php -r '$bad = []; foreach ( new RecursiveIteratorIterator( new Phar( "easyengine.phar" ) ) as $f ) { $p = $f->getPathname(); if ( preg_match( "#/vendor/easyengine/[^/]+/(tests|features)/#", $p ) ) { $bad[] = $p; } } if ( $bad ) { fwrite( STDERR, "Package tests or features in the phar:\n" . implode( "\n", $bad ) . "\n" ); exit( 1 ); }'
+
       - name: Upload built Phar file
         uses: actions/upload-artifact@v7
         with:
diff --git a/utils/make-phar.php b/utils/make-phar.php
index 4429f36bc..c7a2d5f7e 100644
--- a/utils/make-phar.php
+++ b/utils/make-phar.php
@@ -267,6 +267,8 @@ function get_composer_versions( $current_version ) {
 	add_file( $phar, $file );
 }
 
+// A fresh finder: the one above still carries its *.php pattern and would add the packages' tests and features too.
+$finder = new Finder();
 $finder
 	->files()
 	->ignoreDotFiles(false)