diff --git a/sdcard/sdcard.c b/sdcard/sdcard.c
index bff6e67..7e65a68 100644
--- a/sdcard/sdcard.c
+++ b/sdcard/sdcard.c
@@ -972,6 +972,8 @@
         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;
 }