diff --git a/plugins/rundb-mysql/rldb_mysql.c b/plugins/rundb-mysql/rldb_mysql.c
index 981b76763..d1c24aefc 100644
--- a/plugins/rundb-mysql/rldb_mysql.c
+++ b/plugins/rundb-mysql/rldb_mysql.c
@@ -197,7 +197,7 @@ prepare_func(
 
 #include "tables.inc.c"
 
-#define RUN_DB_VERSION 27
+#define RUN_DB_VERSION 28
 
 static int
 do_create(struct rldb_mysql_state *state)
@@ -484,6 +484,10 @@ do_open(struct rldb_mysql_state *state)
       if (mi->simple_fquery(md, "ALTER TABLE %sruns ADD COLUMN notify_driver TINYINT NOT NULL DEFAULT 0 AFTER ext_user, ADD COLUMN notify_kind TINYINT NOT NULL DEFAULT 0 AFTER notify_driver, ADD COLUMN notify_queue VARCHAR(40) DEFAULT NULL AFTER notify_kind", md->table_prefix) < 0)
         return -1;
       break;
+    case 27:
+      if (mi->simple_fquery(md, "ALTER TABLE %sruns MODIFY COLUMN mime_type VARCHAR(128) DEFAULT NULL ;", md->table_prefix) < 0)
+        return -1;
+      break;
     case RUN_DB_VERSION:
       run_version = -1;
       break;
diff --git a/plugins/rundb-mysql/tables.inc.c b/plugins/rundb-mysql/tables.inc.c
index 43339529d..66801fd65 100644
--- a/plugins/rundb-mysql/tables.inc.c
+++ b/plugins/rundb-mysql/tables.inc.c
@@ -41,7 +41,7 @@ static const char create_runs_query[] =
 "        is_imported TINYINT NOT NULL DEFAULT 0, "
 "        is_hidden TINYINT NOT NULL DEFAULT 0, "
 "        is_readonly TINYINT NOT NULL DEFAULT 0, "
-"        mime_type VARCHAR(64) DEFAULT NULL, "
+"        mime_type VARCHAR(128) DEFAULT NULL, "
 "        last_change_time DATETIME DEFAULT NULL, "
 "        last_change_nsec INT UNSIGNED NOT NULL DEFAULT 0, "
 "        is_marked TINYINT NOT NULL DEFAULT 0, "