diff --git a/scripts/generate_reports.py b/scripts/generate_reports.py
index d934b8e..cd9395b 100644
--- a/scripts/generate_reports.py
+++ b/scripts/generate_reports.py
@@ -172,7 +172,11 @@ def _generate_all_domains(interval: str) -> None:
 
 def _generate_root_index() -> None:
     """Render the top-level index listing all intervals and domains."""
-    intervals = [p.name for p in OUTPUT_DIR.iterdir() if p.is_dir() and p.name != "domains"]
+    intervals = [
+        p.name
+        for p in OUTPUT_DIR.iterdir()
+        if p.is_dir() and p.name not in {"domains", "global"}
+    ]
     intervals.sort()
 
     domains_dir = OUTPUT_DIR / "domains"
diff --git a/tests/test_reports.py b/tests/test_reports.py
index 4a537cb..64fcc2d 100644
--- a/tests/test_reports.py
+++ b/tests/test_reports.py
@@ -192,6 +192,7 @@ def test_generate_root_index(tmp_path, sample_reports, monkeypatch):
     # check for interval options
     assert '<option value="hourly">' in content
     assert '<option value="daily">' in content
+    assert '<option value="global">' not in content
 
     # check for domain options
     assert '<option value="foo.com">' in content