diff --git a/htdocs/accountancy/bookkeeping/list.php b/htdocs/accountancy/bookkeeping/list.php
index 5d91a0fc334..819d1fe21e8 100644
--- a/htdocs/accountancy/bookkeeping/list.php
+++ b/htdocs/accountancy/bookkeeping/list.php
@@ -519,7 +519,7 @@ if (empty($reshook)) {
 					setEventMessages($object->error, $object->errors, 'errors');
 					$error++;
 					break;
-				} elseif (isset($object->date_validation) || $object->date_validation != '') {
+				} elseif (isset($object->date_validation) && $object->date_validation != '') {
 					setEventMessages($langs->trans("ValidatedRecordWhereFound"), null, 'errors');
 					$error++;
 					break;
diff --git a/htdocs/accountancy/bookkeeping/listbyaccount.php b/htdocs/accountancy/bookkeeping/listbyaccount.php
index 50f2b308ea3..9d171900005 100644
--- a/htdocs/accountancy/bookkeeping/listbyaccount.php
+++ b/htdocs/accountancy/bookkeeping/listbyaccount.php
@@ -432,7 +432,7 @@ if (empty($reshook)) {
 					setEventMessages($object->error, $object->errors, 'errors');
 					$error++;
 					break;
-				} elseif (isset($object->date_validation) || $object->date_validation != '') {
+				} elseif (isset($object->date_validation) && $object->date_validation != '') {
 					setEventMessages($langs->trans("ValidatedRecordWhereFound"), null, 'errors');
 					$error++;
 					break;