diff --git a/app/scodoc/sco_formsemestre_status.py b/app/scodoc/sco_formsemestre_status.py
index aea7eb0a..ec4fb6da 100644
--- a/app/scodoc/sco_formsemestre_status.py
+++ b/app/scodoc/sco_formsemestre_status.py
@@ -1206,7 +1206,7 @@ def formsemestre_tableau_modules(
         )
         H.append(
             '<td class="scotext"><a href="moduleimpl_status?moduleimpl_id=%s" title="%s" class="formsemestre_status_link">%s</a></td>'
-            % (modimpl["moduleimpl_id"], mod_descr, mod.abbrev or mod.titre)
+            % (modimpl["moduleimpl_id"], mod_descr, mod.abbrev or mod.titre or "")
         )
         H.append('<td class="formsemestre_status_inscrits">%s</td>' % len(mod_inscrits))
         H.append(