diff --git a/entity/History_entity/History_entity.aod b/entity/History_entity/History_entity.aod
index 432b7cb6916ce79bca6c34d2200f293235a305c2..fc5829412f65aa03ceec7e0d5c95dd757048a8cc 100644
--- a/entity/History_entity/History_entity.aod
+++ b/entity/History_entity/History_entity.aod
@@ -42,7 +42,7 @@
       <name>SUBJECT</name>
       <title>Subject</title>
       <mandatory v="true" />
-      <groupable v="true" />
+      <groupable v="false" />
     </entityField>
     <entityIncomingField>
       <name>OrgHistory_dfi</name>