diff --git a/sdcard/sdcard.c b/sdcard/sdcard.c
index 4427415..7349b22 100644
--- a/sdcard/sdcard.c
+++ b/sdcard/sdcard.c
@@ -1321,6 +1321,8 @@
         return -errno;
     }
     out.fh = ptr_to_id(h);
+    out.open_flags = 0;
+    out.padding = 0;
     fuse_reply(fuse, hdr->unique, &out, sizeof(out));
     return NO_STATUS;
 }