diff --git a/swarm-controller/src/linked_accounts.rs b/swarm-controller/src/linked_accounts.rs
index 5debff72..eda4e846 100644
--- a/swarm-controller/src/linked_accounts.rs
+++ b/swarm-controller/src/linked_accounts.rs
@@ -984,10 +984,11 @@ pub(crate) mod tests {
         .await
     }
 
-    /// Refused before the store, and before any revoke.
+    /// Refused before the store: `main` is stored, and stays.
     #[tokio::test]
     async fn the_agents_own_matrix_account_cannot_be_deleted() {
-        let problem = delete_matrix(&Arc::default(), "main", true)
+        let store = Arc::new(every_kind());
+        let problem = delete_matrix(&store, "main", false)
             .await
             .expect_err("'main' is reserved");
         assert_eq!(
@@ -995,6 +996,7 @@ pub(crate) mod tests {
             Some(axum::http::StatusCode::BAD_REQUEST),
             "{problem:?}"
         );
+        assert!(deleted(&store).is_empty());
     }
 
     /// The control: any other account name is deleted.