diff --git a/htdocs/compta/bank/line.php b/htdocs/compta/bank/line.php
index b3675feb63e..ce8644afe9b 100644
--- a/htdocs/compta/bank/line.php
+++ b/htdocs/compta/bank/line.php
@@ -607,7 +607,11 @@ if ($result) {
 		print dol_get_fiche_end();
 
 
-		print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("Update").'"></div><br>';
+		if (!$objp->rappro) {
+				print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("Update").'"></div><br>';
+			}else{
+				print '<div class="center"><input type="submit" class="button" value="'.$langs->trans("Update").'" disabled></div><br>';
+			}
 
 		print "</form>";