diff --git a/scripts/migration.sql b/scripts/migration.sql
index 7ae893b..9daba79 100644
--- a/scripts/migration.sql
+++ b/scripts/migration.sql
@@ -101,6 +101,7 @@ SELECT i,"timestamp",certificate,signature,topic,_msg,category,source_name,sourc
 CREATE INDEX index_msg2_category ON public.messages2 USING btree (category);
 CREATE INDEX index_msg2_timestamp ON public.messages2 USING btree ("timestamp");
 CREATE INDEX index_msg2_topic ON public.messages2 USING btree (topic);
+CREATE INDEX index_msg_msg_id ON public.messages2 USING btree (msg_id);
 CREATE INDEX index_msg_id ON public.messages2 USING btree (id);
 CREATE INDEX messages2_datanommer_timestamp_category_idx ON public.messages2 USING btree ("timestamp" DESC, category);
 CREATE INDEX messages2_datanommer_timestamp_topic_idx ON public.messages2 USING btree ("timestamp" DESC, topic);
diff --git a/scripts/migration_timescaledb.sql b/scripts/migration_timescaledb.sql
index b5bf9a5..c03f5c0 100644
--- a/scripts/migration_timescaledb.sql
+++ b/scripts/migration_timescaledb.sql
@@ -103,6 +103,7 @@ SELECT package_messages.package, package_messages.msg, messages2.timestamp
 CREATE INDEX index_msg2_category ON public.messages2 USING btree (category);
 CREATE INDEX index_msg2_timestamp ON public.messages2 USING btree ("timestamp");
 CREATE INDEX index_msg2_topic ON public.messages2 USING btree (topic);
+CREATE INDEX index_msg_msg_id ON public.messages2 USING btree (msg_id);
 CREATE INDEX index_msg_id ON public.messages2 USING btree (id);
 CREATE INDEX messages2_datanommer_timestamp_category_idx ON public.messages2 USING btree ("timestamp" DESC, category);
 CREATE INDEX messages2_datanommer_timestamp_topic_idx ON public.messages2 USING btree ("timestamp" DESC, topic);