diff --git a/schema/changelog-3.7.xml b/schema/changelog-3.7.xml
index d82dbe91b..1bae2aaff 100644
--- a/schema/changelog-3.7.xml
+++ b/schema/changelog-3.7.xml
@@ -17,7 +17,7 @@
 
     <update tableName="groups">
       <column name="groupid"/>
-      <where>groupid NOT IN (SELECT id FROM (SELECT id FROM groups) AS groups_ids)</where>
+      <where>groupid NOT IN (SELECT id FROM (SELECT DISTINCT id FROM groups) AS groups_ids)</where>
     </update>
 
     <addColumn tableName="devices">