diff --git a/core/class/declarationtva.class.php b/core/class/declarationtva.class.php
index e8ea68c..87aa330 100644
--- a/core/class/declarationtva.class.php
+++ b/core/class/declarationtva.class.php
@@ -1265,6 +1265,9 @@ class DeclarationTVA
                     $debit->fk_user_modification = $user->id;
                     $debit->label_operation = $declaration->declaration_name;
                     
+                    // Set ref field again to ensure it's not overwritten
+                    $debit->ref = $declaration->declaration_name;
+                    
                     // Get journal label from database and translate it
                     $journal_label_sql = "SELECT label FROM " . MAIN_DB_PREFIX . "accounting_journal WHERE code = 'OD' AND entity = " . $this->entity;
                     $journal_label_result = $this->db->query($journal_label_sql);
@@ -1278,6 +1281,7 @@ class DeclarationTVA
                     
                     // Final check of montant before create
                     error_log("DEBUG: Final montant check before create: " . $debit->montant);
+                    error_log("DEBUG: Final ref field check: " . $debit->ref);
                     
                     $result = $debit->create($user);
                     error_log("DEBUG: Debit entry create result: " . $result . " (type: " . gettype($result) . ")");
@@ -1320,6 +1324,9 @@ class DeclarationTVA
                     $credit->fk_user_modification = $user->id;
                     $credit->label_operation = $declaration->declaration_name;
                     
+                    // Set ref field again to ensure it's not overwritten
+                    $credit->ref = $declaration->declaration_name;
+                    
                     // Get journal label from database and translate it
                     $journal_label_sql = "SELECT label FROM " . MAIN_DB_PREFIX . "accounting_journal WHERE code = 'OD' AND entity = " . $this->entity;
                     $journal_label_result = $this->db->query($journal_label_sql);
@@ -1333,6 +1340,7 @@ class DeclarationTVA
                     
                     // Final check of montant before create
                     error_log("DEBUG: Final montant check before create: " . $credit->montant);
+                    error_log("DEBUG: Final ref field check: " . $credit->ref);
                     
                     $result = $credit->create($user);
                     error_log("DEBUG: Credit entry create result: " . $result . " (type: " . gettype($result) . ")");