diff --git a/htdocs/accountancy/class/lettering.class.php b/htdocs/accountancy/class/lettering.class.php
index 3122526061b..b0ad8150ad4 100644
--- a/htdocs/accountancy/class/lettering.class.php
+++ b/htdocs/accountancy/class/lettering.class.php
@@ -211,7 +211,7 @@ class Lettering extends BookKeeping
 				}
 
 				if (count($ids) > 1) {
-					$result = $this->updatelettrage($ids);
+					$result = $this->updateLettering($ids);
 				}
 			}
 		}