diff --git a/lib/Config/Migrator.php b/lib/Config/Migrator.php
index 47309e12c2..c8f5d1a408 100644
--- a/lib/Config/Migrator.php
+++ b/lib/Config/Migrator.php
@@ -315,7 +315,8 @@ class Migrator {
       'count mediumint(9) NOT NULL,',
       'created_at TIMESTAMP NULL,',
       'updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,',
-      'PRIMARY KEY  (id)',
+      'PRIMARY KEY  (id),',
+      'KEY  (queue_id)',
     );
     return $this->sqlify(__FUNCTION__, $attributes);
   }
@@ -327,7 +328,8 @@ class Migrator {
       'subscriber_id mediumint(9) NOT NULL,',
       'queue_id mediumint(9) NOT NULL,',
       'created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,',
-      'PRIMARY KEY  (id)',
+      'PRIMARY KEY  (id),',
+      'KEY  (queue_id)',
     );
     return $this->sqlify(__FUNCTION__, $attributes);
   }
@@ -339,7 +341,8 @@ class Migrator {
       'subscriber_id mediumint(9) NOT NULL,',
       'queue_id mediumint(9) NOT NULL,',
       'created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,',
-      'PRIMARY KEY  (id)',
+      'PRIMARY KEY  (id),',
+      'KEY  (queue_id)',
     );
     return $this->sqlify(__FUNCTION__, $attributes);
   }