--- loncom/xml/lontexconvert.pm	2018/04/23 18:59:28	1.121
+++ loncom/xml/lontexconvert.pm	2019/02/15 20:56:22	1.122
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.121 2018/04/23 18:59:28 raeburn Exp $
+# $Id: lontexconvert.pm,v 1.122 2019/02/15 20:56:22 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -321,7 +321,7 @@ sub tex_engine {
     if (exists($env{'form.texengine'})) {
 	if ($env{'form.texengine'} ne '') {
             if (lc($env{'form.texengine'}) eq 'jsmath') {
-                return 'MathJax'; 
+                return 'MathJax';
             }
             return $env{'form.texengine'};
         }
@@ -344,7 +344,7 @@ sub tex_engine {
     if ($domdefaults{'texengine'} ne '') {
         return $domdefaults{'texengine'};
     }
-    return 'MathJax';
+    return $Apache::lonnet::deftex;
 }
 
 sub init_math_support {