diff --git a/galette/lib/Galette/Entity/Contribution.php b/galette/lib/Galette/Entity/Contribution.php
index aa9c1ce41..62a859e84 100644
--- a/galette/lib/Galette/Entity/Contribution.php
+++ b/galette/lib/Galette/Entity/Contribution.php
@@ -284,13 +284,10 @@ private function retrieveEndDate(): void
                     }
                 }
 
-                // Caution : the end_date to retrieve is the day before the next_begin_date.
                 $end_date = clone $next_begin_date;
-                $end_date->sub(new DateInterval('P1D'));
             } else {
                 $dext = new DateInterval('P' . $this->type->extension . 'M');
                 $end_date = $begin_date->add($dext);
-                $end_date->sub(new DateInterval('P1D')); //-1 day
             }
         } elseif ($preferences->pref_membership_ext != '') {
             //case membership extension
@@ -301,13 +298,15 @@ private function retrieveEndDate(): void
             // Caution : the end_date to retrieve is the day before the next_begin_date.
             $next_begin_date = $begin_date->add($dext);
             $end_date = clone $next_begin_date;
-            $end_date->sub(new DateInterval('P1D'));
-            $this->end_date = $end_date->format('Y-m-d');
         } else {
             throw new \RuntimeException(
                 'Unable to define end date; none of pref_beg_membership nor pref_membership_ext are defined!'
             );
         }
+
+        // Caution : the end_date to retrieve is the day before the next_begin_date.
+        $end_date->sub(new DateInterval('P1D'));
+        $this->end_date = $end_date->format('Y-m-d');
     }
 
     /**