diff --git a/sco_compute_moy.py b/sco_compute_moy.py
index b6cb01ed..69d1a747 100644
--- a/sco_compute_moy.py
+++ b/sco_compute_moy.py
@@ -315,7 +315,7 @@ def do_moduleimpl_moyennes(context, nt, mod):
                     notes.append(0.0)
                     coefs.append(0.0)
                     coefs_mask.append(0)
-            if nb_notes > 0:
+            if nb_notes > 0 or formula_use_abs:
                 user_moy = compute_user_formula(
                     context,
                     sem,