diff --git a/src/fs/mem.rs b/src/fs/mem.rs
index 0dff2aef72..74bc213a87 100644
--- a/src/fs/mem.rs
+++ b/src/fs/mem.rs
@@ -112,6 +112,11 @@ impl ObjectInterface for RomFileInterface {
 			Err(io::Error::EBADF)
 		}
 	}
+
+	async fn fstat(&self) -> io::Result<FileAttr> {
+		let guard = self.inner.read().await;
+		Ok(guard.attr)
+	}
 }
 
 impl RomFileInterface {
@@ -241,6 +246,11 @@ impl ObjectInterface for RamFileInterface {
 
 		Ok(new_pos)
 	}
+
+	async fn fstat(&self) -> io::Result<FileAttr> {
+		let guard = self.inner.read().await;
+		Ok(guard.attr)
+	}
 }
 
 impl RamFileInterface {