1 files changed, 4 insertions, 1 deletions
diff --git a/daemon/debug.c b/daemon/debug.c
index 091e7410..cd3e8a5f 100644
--- a/daemon/debug.c
+++ b/daemon/debug.c
@@ -540,8 +540,11 @@ do_debug_upload (const char *filename, int mode)
     return -1;
   }
   if (r == -2) {		/* cancellation from library */
+    /* This error is ignored by the library since it initiated the
+     * cancel.  Nevertheless we must send an error reply here.
+     */
+    reply_with_error ("file upload cancelled");
     close (fd);
-    /* Do NOT send any error. */
     return -1;
   }