diff --git a/komga/src/flyway/resources/db/migration/sqlite/V20210517145427__fix_rar.sql b/komga/src/flyway/resources/db/migration/sqlite/V20210517145427__fix_rar.sql
new file mode 100644
index 000000000..96e034e8e
--- /dev/null
+++ b/komga/src/flyway/resources/db/migration/sqlite/V20210517145427__fix_rar.sql
@@ -0,0 +1,18 @@
+-- fix media type for files analyzed with tika 1.23 or before which didn't get the rar version
+update MEDIA
+set MEDIA_TYPE = 'application/x-rar-compressed; version=4'
+where MEDIA_TYPE = 'application/x-rar-compressed'
+  and STATUS = 'READY';
+
+-- rar files that could have had an incorrect analysis are marked at OUTDATED to be ra-analyzed
+update MEDIA
+set STATUS = 'OUTDATED'
+where BOOK_ID in (
+    select F.BOOK_ID
+    from MEDIA_FILE F
+             left join MEDIA M on F.BOOK_ID = M.BOOK_ID
+    where F.FILE_NAME like '%.%'
+      and M.MEDIA_TYPE like 'application/x-rar-compressed%'
+      and lower(replace(F.FILE_NAME, rtrim(F.FILE_NAME, replace(F.FILE_NAME, '.', '')), ''))
+        in ('jpg', 'jpeg', 'webp', 'tiff', 'tif', 'gif', 'png', 'bmp')
+    );