1 files changed, 1 insertions, 1 deletions
diff --git a/BibTeX.py b/BibTeX.py
index 67141d0..0248385 100644
--- a/BibTeX.py
+++ b/BibTeX.py
@@ -283,7 +283,7 @@ class BibTeXEntry:
         elif self.type == 'article':
             fields = 'journal', 'year'
         elif self.type == 'techreport':
-            fields = 'institution'
+            fields = 'institution',
         elif self.type == 'misc':
             fields = 'howpublished',
         elif self.type in ('mastersthesis', 'phdthesis'):