diff --git a/keyserver/src/database/migration-config.js b/keyserver/src/database/migration-config.js
--- a/keyserver/src/database/migration-config.js
+++ b/keyserver/src/database/migration-config.js
@@ -758,6 +758,17 @@
       );
     },
   ],
+  [
+    61,
+    async () => {
+      await dbQuery(
+        SQL`
+          ALTER TABLE uploads
+            MODIFY container varchar(255) CHARSET latin1 COLLATE latin1_bin
+        `,
+      );
+    },
+  ],
 ]);
 const newDatabaseVersion: number = Math.max(...migrations.keys());
 
diff --git a/keyserver/src/database/setup-db.js b/keyserver/src/database/setup-db.js
--- a/keyserver/src/database/setup-db.js
+++ b/keyserver/src/database/setup-db.js
@@ -196,7 +196,7 @@
         id bigint(20) NOT NULL,
         thread bigint(20) DEFAULT NULL,
         uploader varchar(255) CHARSET latin1 COLLATE latin1_bin NOT NULL,
-        container bigint(20) DEFAULT NULL,
+        container varchar(255) CHARSET latin1 COLLATE latin1_bin NOT NULL,
         type varchar(255) CHARSET latin1 COLLATE latin1_swedish_ci NOT NULL,
         filename varchar(255) NOT NULL,
         mime varchar(255) CHARSET latin1 COLLATE latin1_swedish_ci NOT NULL,