diff --git a/db/stored/triggers.sql b/db/stored/triggers.sql
index e02575fd89e06b7a3060008514cc9d6767d075de..2764c5bfedda014cbef7cf67d1d8bfc215fb9cc8 100644
--- a/db/stored/triggers.sql
+++ b/db/stored/triggers.sql
@@ -70,7 +70,7 @@ begin
 
         set vDisciplineID = (
             select modules.DisciplineID from modules
-            where modules.ID = new.ModuleID
+            where modules.ID = old.ModuleID
             limit 1
         );