diff --git a/app/scodoc/sco_formsemestre_edit.py b/app/scodoc/sco_formsemestre_edit.py
index e607b2cd..d0146ba1 100644
--- a/app/scodoc/sco_formsemestre_edit.py
+++ b/app/scodoc/sco_formsemestre_edit.py
@@ -1397,7 +1397,8 @@ def do_formsemestre_clone(
     formsemestre.parcours = formsemestre_orig.parcours
 
     # 6- Copy description
-    formsemestre.description = formsemestre_orig.description.clone()
+    if formsemestre_orig.description:
+        formsemestre.description = formsemestre_orig.description.clone()
 
     db.session.add(formsemestre)
     db.session.commit()
diff --git a/sco_version.py b/sco_version.py
index 42dab115..3f09d6d2 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,7 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
-SCOVERSION = "9.7.7"
+SCOVERSION = "9.7.8"
 
 SCONAME = "ScoDoc"