diff --git a/bin/tests/indexer_lookup.py b/bin/tests/indexer_lookup.py
index 09ae24c4..93bbf00d 100644
--- a/bin/tests/indexer_lookup.py
+++ b/bin/tests/indexer_lookup.py
@@ -24,7 +24,8 @@ indexertype = cfg.get("Indexer", "type")
 
 argParser = argparse.ArgumentParser(description='Fulltext search for AIL')
 argParser.add_argument('-q', action='append', help='query to lookup (one or more)')
-argParser.add_argument('-n', action='store_true', default=False, help='Return numbers of document indexed')
+argParser.add_argument('-n', action='store_true', default=False, help='return numbers of indexed documents')
+argParser.add_argument('-l', action='store_true', default=False, help='dump all terms encountered in indexed documents')
 args = argParser.parse_args()
 
 from whoosh import index
@@ -39,6 +40,12 @@ if args.n:
     print ix.doc_count_all()
     exit(0)
 
+if args.l:
+    xr = ix.searcher().reader()
+    for x in xr.lexicon("content"):
+        print (x)
+    exit(0)
+
 if args.q is None:
     argParser.print_help()
     exit(1)