diff --git a/app/scodoc/sco_bulletins_standard.py b/app/scodoc/sco_bulletins_standard.py
index 2c9c4b81..cd535be0 100644
--- a/app/scodoc/sco_bulletins_standard.py
+++ b/app/scodoc/sco_bulletins_standard.py
@@ -435,7 +435,7 @@ class BulletinGeneratorStandard(sco_bulletins_generator.BulletinGenerator):
                     plusminus = pluslink
                 try:
                     ects_txt = str(int(ue["ects"]))
-                except (ValueError, KeyError):
+                except (ValueError, KeyError, TypeError):
                     ects_txt = "-"
 
                 t = {