diff --git a/app/src/main/sqldelight/migrations/18.sqm b/app/src/main/sqldelight/migrations/18.sqm
index 36cc33b6b..d68d8b580 100644
--- a/app/src/main/sqldelight/migrations/18.sqm
+++ b/app/src/main/sqldelight/migrations/18.sqm
@@ -14,4 +14,4 @@ UPDATE mangas
 SET last_update = 0
 WHERE last_update = -1;
 UPDATE categories
-SET manga_order = NULL;
\ No newline at end of file
+SET manga_order = "";
\ No newline at end of file