diff --git a/htdocs/core/lib/functions2.lib.php b/htdocs/core/lib/functions2.lib.php
index f7d154c6b71..d30d0c9ed82 100644
--- a/htdocs/core/lib/functions2.lib.php
+++ b/htdocs/core/lib/functions2.lib.php
@@ -2259,6 +2259,9 @@ function getModuleDirForApiClass($module)
     elseif ($module == 'adherent' || $module == 'members' || $module == 'memberstypes' || $module == 'subscriptions') {
         $moduledirforclass = 'adherents';
     }
+    elseif ($module == 'don' || $module == 'donations') {
+        $moduledirforclass = 'don';
+    }
     elseif ($module == 'banque' || $module == 'bankaccounts') {
         $moduledirforclass = 'compta/bank';
     }