From c17411a39f9db0fe15455f6a0dd959ffe70087e5 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 3 Nov 2019 07:16:17 +0530
Subject: [PATCH] Only use Qt bug workaround in the viewer

---
 src/pyj/ajax.pyj | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pyj/ajax.pyj b/src/pyj/ajax.pyj
index 9337c6ad62..ec5c78cd1c 100644
--- a/src/pyj/ajax.pyj
+++ b/src/pyj/ajax.pyj
@@ -48,7 +48,7 @@ def absolute_path(path):
 
 
 def workaround_qt_bug(xhr, end_type, ok_code=200):
-    if end_type is 'error' and xhr.status is ok_code:
+    if end_type is 'error' and xhr.status is ok_code and window.navigator.userAgent.indexOf('calibre-viewer') is 0:
         end_type = 'load'
     return end_type