diff --git a/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementShellWorkflow.php b/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementShellWorkflow.php
index 45f4d2d8e8..84e2ed5489 100644
--- a/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementShellWorkflow.php
+++ b/src/infrastructure/storage/management/workflow/PhabricatorStorageManagementShellWorkflow.php
@@ -31,7 +31,7 @@ final class PhabricatorStorageManagementShellWorkflow
     }
 
     return phutil_passthru(
-      'mysql --protocol=TCP --default-character-set=utf8 '.
+      'mysql --protocol=TCP --default-character-set=utf8mb4 '.
       '-u %s %C -h %s %C',
       $api->getUser(),
       $flag_password,