diff --git a/base/src/org/compiere/process/SynchronizeTerminology.java b/base/src/org/compiere/process/SynchronizeTerminology.java
index 5d009734e3..3c056e5b91 100644
--- a/base/src/org/compiere/process/SynchronizeTerminology.java
+++ b/base/src/org/compiere/process/SynchronizeTerminology.java
@@ -131,7 +131,7 @@ public class SynchronizeTerminology extends SvrProcess
 			log.info("  rows deleted: "+no);
 
 			sql="DELETE	AD_ELEMENT e"
-				+" 	WHERE NOT EXISTS"
+				+" 	WHERE AD_Element_ID >= 1000000 AND NOT EXISTS"
 				+" 	(SELECT 1 FROM AD_COLUMN c WHERE UPPER(e.ColumnName)=UPPER(c.ColumnName))"
 				+" 	AND NOT EXISTS"
 				+" 	(SELECT 1 FROM AD_PROCESS_PARA p WHERE UPPER(e.ColumnName)=UPPER(p.ColumnName))";
diff --git a/migration/processes_post_migration/oracle/02_SynchronizeTerminology.sql b/migration/processes_post_migration/oracle/02_SynchronizeTerminology.sql
index daf48f8c01..1d1b734875 100644
--- a/migration/processes_post_migration/oracle/02_SynchronizeTerminology.sql
+++ b/migration/processes_post_migration/oracle/02_SynchronizeTerminology.sql
@@ -54,7 +54,7 @@ DELETE      AD_ELEMENT_TRL
                                                           UPPER (p.columnname)));
 
 DELETE      AD_ELEMENT e
-      WHERE NOT EXISTS (SELECT 1
+      WHERE AD_Element_ID >= 1000000 AND NOT EXISTS (SELECT 1
                           FROM AD_COLUMN c
                          WHERE UPPER (e.columnname) = UPPER (c.columnname))
         AND NOT EXISTS (SELECT 1
diff --git a/migration/processes_post_migration/postgresql/02_SynchronizeTerminology.sql b/migration/processes_post_migration/postgresql/02_SynchronizeTerminology.sql
index fb0f0425bf..b08d22cd61 100644
--- a/migration/processes_post_migration/postgresql/02_SynchronizeTerminology.sql
+++ b/migration/processes_post_migration/postgresql/02_SynchronizeTerminology.sql
@@ -54,7 +54,7 @@ DELETE FROM AD_ELEMENT_TRL
                                                           UPPER (p.columnname)));
 
 DELETE FROM AD_ELEMENT
-      WHERE NOT EXISTS (SELECT 1
+      WHERE AD_Element_ID >= 1000000 AND NOT EXISTS (SELECT 1
                           FROM AD_COLUMN c
                          WHERE UPPER (AD_ELEMENT.columnname) = UPPER (c.columnname))
         AND NOT EXISTS (SELECT 1