diff --git a/resources/misc/db_update_mysql_4_5.sql b/resources/misc/db_update_mysql_4_5.sql
index ca3f7ecd1..4efb66fbe 100755
--- a/resources/misc/db_update_mysql_4_5.sql
+++ b/resources/misc/db_update_mysql_4_5.sql
@@ -8,4 +8,16 @@ CREATE TABLE IF NOT EXISTS OwnCloudAccounts (
   FOREIGN KEY (id) REFERENCES Accounts (id)
 );
 -- !
+UPDATE Categories
+SET custom_id = (SELECT id FROM Categories t WHERE t.id = Categories.id)
+WHERE Categories.custom_id IS NULL;
+-- !
+UPDATE Feeds
+SET custom_id = (SELECT id FROM Feeds t WHERE t.id = Feeds.id)
+WHERE Feeds.custom_id IS NULL;
+-- !
+UPDATE Messages
+SET custom_id = (SELECT id FROM Messages t WHERE t.id = Messages.id)
+WHERE Messages.custom_id IS NULL;
+-- !
 UPDATE Information SET inf_value = '5' WHERE inf_key = 'schema_version';
\ No newline at end of file
diff --git a/resources/misc/db_update_sqlite_4_5.sql b/resources/misc/db_update_sqlite_4_5.sql
index ca3f7ecd1..4efb66fbe 100755
--- a/resources/misc/db_update_sqlite_4_5.sql
+++ b/resources/misc/db_update_sqlite_4_5.sql
@@ -8,4 +8,16 @@ CREATE TABLE IF NOT EXISTS OwnCloudAccounts (
   FOREIGN KEY (id) REFERENCES Accounts (id)
 );
 -- !
+UPDATE Categories
+SET custom_id = (SELECT id FROM Categories t WHERE t.id = Categories.id)
+WHERE Categories.custom_id IS NULL;
+-- !
+UPDATE Feeds
+SET custom_id = (SELECT id FROM Feeds t WHERE t.id = Feeds.id)
+WHERE Feeds.custom_id IS NULL;
+-- !
+UPDATE Messages
+SET custom_id = (SELECT id FROM Messages t WHERE t.id = Messages.id)
+WHERE Messages.custom_id IS NULL;
+-- !
 UPDATE Information SET inf_value = '5' WHERE inf_key = 'schema_version';
\ No newline at end of file