diff --git a/handlers.py b/handlers.py
index 2c0ec07..6e67f47 100644
--- a/handlers.py
+++ b/handlers.py
@@ -419,7 +419,7 @@ def handle_about():
     sharing = get_setting("sharing_enabled", "0") == "1"
     db = get_db()
     page_count = db.execute("SELECT count(*) FROM pages").fetchone()[0]
-    tag_count = db.execute("SELECT count(*) FROM tags").fetchone()[0]
+    tag_count = db.execute("SELECT count(DISTINCT tag_id) FROM page_tags").fetchone()[0]
     sub_count = db.execute("SELECT count(*) FROM subscriptions").fetchone()[0]
     db.close()