diff --git a/database.sql b/database.sql
index 31a08a56b8..fdcc79406e 100644
--- a/database.sql
+++ b/database.sql
@@ -1221,7 +1221,7 @@ CREATE TABLE IF NOT EXISTS `post-media` (
 	`mimetype` varchar(60) COMMENT '',
 	`height` smallint unsigned COMMENT 'Height of the media',
 	`width` smallint unsigned COMMENT 'Width of the media',
-	`size` mediumint unsigned COMMENT 'Media size',
+	`size` bigint unsigned COMMENT 'Media size',
 	`preview` varbinary(255) COMMENT 'Preview URL',
 	`preview-height` smallint unsigned COMMENT 'Height of the preview picture',
 	`preview-width` smallint unsigned COMMENT 'Width of the preview picture',
diff --git a/doc/database/db_post-media.md b/doc/database/db_post-media.md
index 0563f5ee89..62e6e6f96f 100644
--- a/doc/database/db_post-media.md
+++ b/doc/database/db_post-media.md
@@ -15,7 +15,7 @@ Fields
 | mimetype        |                                                           | varchar(60)        | YES  |     | NULL    |                |
 | height          | Height of the media                                       | smallint unsigned  | YES  |     | NULL    |                |
 | width           | Width of the media                                        | smallint unsigned  | YES  |     | NULL    |                |
-| size            | Media size                                                | mediumint unsigned | YES  |     | NULL    |                |
+| size            | Media size                                                | bigint unsigned    | YES  |     | NULL    |                |
 | preview         | Preview URL                                               | varbinary(255)     | YES  |     | NULL    |                |
 | preview-height  | Height of the preview picture                             | smallint unsigned  | YES  |     | NULL    |                |
 | preview-width   | Width of the preview picture                              | smallint unsigned  | YES  |     | NULL    |                |
diff --git a/static/dbstructure.config.php b/static/dbstructure.config.php
index a2e4124657..83abc09b57 100644
--- a/static/dbstructure.config.php
+++ b/static/dbstructure.config.php
@@ -1257,7 +1257,7 @@ return [
 			"mimetype" => ["type" => "varchar(60)", "comment" => ""],
 			"height" => ["type" => "smallint unsigned", "comment" => "Height of the media"],
 			"width" => ["type" => "smallint unsigned", "comment" => "Width of the media"],
-			"size" => ["type" => "mediumint unsigned", "comment" => "Media size"],
+			"size" => ["type" => "bigint unsigned", "comment" => "Media size"],
 			"preview" => ["type" => "varbinary(255)", "comment" => "Preview URL"],
 			"preview-height" => ["type" => "smallint unsigned", "comment" => "Height of the preview picture"],
 			"preview-width" => ["type" => "smallint unsigned", "comment" => "Width of the preview picture"],