diff --git a/APPL/API2/model_issuetypes.inc b/APPL/API2/model_issuetypes.inc
index a979060e31..a76f5a494b 100644
--- a/APPL/API2/model_issuetypes.inc
+++ b/APPL/API2/model_issuetypes.inc
@@ -104,7 +104,7 @@ function model_issuetypes(stdm_key, params)
         if (!xxx_array.length)
             shared.record_not_found();
         this.data = xxx_array[0];
-        this.data.discipline = new model_discipline("MLD", this.data.discipline.id);
+        this.data.discipline = new model_mld_discipline("MLD", this.data.discipline.id);
     }
 }