diff --git a/lib/update_database.py b/lib/update_database.py
index 3acc2fc..61a4048 100644
--- a/lib/update_database.py
+++ b/lib/update_database.py
@@ -32,9 +32,11 @@ def get_blacklist(outdir):
 
     blacklist = blacklist_str.split(';')
 
+    print("writing txt-file of blacklist ids...")
     outfile = os.path.join(outdir, 'blacklist.txt')
     with open(outfile, 'w', encoding='utf-8') as fh:
         fh.write('\n'.join(blacklist))
+    print("done")
 
 def get_rd_dbase(out_dir):