diff --git a/core/src/services/ghac/backend.rs b/core/src/services/ghac/backend.rs
index 379f98a38941..6f1ddb714eec 100644
--- a/core/src/services/ghac/backend.rs
+++ b/core/src/services/ghac/backend.rs
@@ -311,6 +311,7 @@ impl Accessor for GhacBackend {
                 read_with_range: true,
 
                 write: true,
+                write_can_multi: true,
                 create_dir: true,
                 delete: true,