From 5744dd773d6d7db0093182788263d6a5dc1dfbf8 Mon Sep 17 00:00:00 2001
From: Calixte Denizet <calixte.denizet@gmail.com>
Date: Sat, 3 Jul 2021 15:13:51 +0200
Subject: [PATCH] XFA - Don't use system font when a font is not embeded but
 there is a substitution   - always use a font coming from pdf.js when there
 is one: this way we don't use a system font which could looks wrong.

---
 src/core/xfa/html_utils.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/xfa/html_utils.js b/src/core/xfa/html_utils.js
index d7cbd365c..62013a266 100644
--- a/src/core/xfa/html_utils.js
+++ b/src/core/xfa/html_utils.js
@@ -481,7 +481,7 @@ function setFontFamily(xfaFont, fontFinder, style) {
   if (typeface) {
     const { fontFamily } = typeface.regular.cssFontInfo;
     if (fontFamily !== name) {
-      style.fontFamily += `,"${fontFamily}"`;
+      style.fontFamily = `"${fontFamily}"`;
     }
     if (style.lineHeight) {
       // Already something so don't overwrite.