1 files changed, 4 insertions, 1 deletions
diff --git a/daemon/base64.c b/daemon/base64.c
index 7e07a6ad..f55e1f51 100644
--- a/daemon/base64.c
+++ b/daemon/base64.c
@@ -77,8 +77,11 @@ do_base64_in (const char *file)
     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");
     pclose (fp);
-    /* Do NOT send any error. */
     return -1;
   }