diff --git a/fix_tei.py b/fix_tei.py
index f0337ad..2e7536b 100644
--- a/fix_tei.py
+++ b/fix_tei.py
@@ -571,6 +571,13 @@ def main():
     ################
     # bibliography #
     ################
+
+    if not args.bibtexparserlog:
+        logging.debug("Suppressing debug output of bibtexparser")
+        logging.getLogger("bibtexparser").propagate = False
+    else:
+        pass
+
     # bibtexparser
     bibdata = parse_bibtex(args.bibfile)