diff --git a/src/server/response.cpp b/src/server/response.cpp
index df3dc10ef..09dec8f7d 100644
--- a/src/server/response.cpp
+++ b/src/server/response.cpp
@@ -305,7 +305,7 @@ std::unique_ptr<ContentResponse> ContentResponseBlueprint::generateResponseObjec
 {
   kainjow::mustache::data d = m_data->toMustache(m_request.get_user_language());
   if ( m_includeKiwixResponseData ) {
-    d.set("KIWIX_RESPONSE_TEMPLATE", escapeForJSON(m_template));
+    d.set("KIWIX_RESPONSE_TEMPLATE", escapeForJSON(m_template, false));
     d.set("KIWIX_RESPONSE_DATA", m_data->asJSON());
   }
   auto r = ContentResponse::build(m_template, d, m_mimeType);
diff --git a/static/templates/error.html b/static/templates/error.html
index 66486b6ba..13fadc24c 100644
--- a/static/templates/error.html
+++ b/static/templates/error.html
@@ -6,8 +6,8 @@
 {{#CSS_URL}}
     <link type="text/css" href="{{{CSS_URL}}}" rel="Stylesheet" />
 {{/CSS_URL}}{{#KIWIX_RESPONSE_DATA}}    <script>
-      const KIWIX_RESPONSE_TEMPLATE = "{{{KIWIX_RESPONSE_TEMPLATE}}}";
-      const KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};
+      window.KIWIX_RESPONSE_TEMPLATE = "{{KIWIX_RESPONSE_TEMPLATE}}";
+      window.KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};
     </script>{{/KIWIX_RESPONSE_DATA}}
   </head>
   <body>
diff --git a/test/response.cpp b/test/response.cpp
index 61f92ab75..ca0ece39a 100644
--- a/test/response.cpp
+++ b/test/response.cpp
@@ -46,8 +46,8 @@ R"(<!DOCTYPE html>
     <title>Content not found</title>
     <link type="text/css" href="/css/error.css" rel="Stylesheet" />
     <script>
-      const KIWIX_RESPONSE_TEMPLATE = "<!DOCTYPE html>\n<html xmlns=\"http://www.w3.org/1999/xhtml\">\n  <head>\n    <meta content=\"text/html;charset=UTF-8\" http-equiv=\"content-type\" />\n    <title>{{PAGE_TITLE}}</title>\n{{#CSS_URL}}\n    <link type=\"text/css\" href=\"{{{CSS_URL}}}\" rel=\"Stylesheet\" />\n{{/CSS_URL}}{{#KIWIX_RESPONSE_DATA}}    <script>\n      const KIWIX_RESPONSE_TEMPLATE = \"{{{KIWIX_RESPONSE_TEMPLATE}}}\";\n      const KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};\n    </script>{{/KIWIX_RESPONSE_DATA}}\n  </head>\n  <body>\n    <h1>{{PAGE_HEADING}}</h1>\n{{#details}}\n    <p>\n      {{{p}}}\n    </p>\n{{/details}}\n  </body>\n</html>\n";
-      const KIWIX_RESPONSE_DATA = { "CSS_URL" : "/css/error.css", "PAGE_HEADING" : { "msgid" : "404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "404-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "suggest-search", "params" : { "PATTERN" : "asdf", "SEARCH_URL" : "/search?q=asdf" } } } ] };
+      window.KIWIX_RESPONSE_TEMPLATE = "&lt;!DOCTYPE html&gt;\n&lt;html xmlns=&quot;http://www.w3.org/1999/xhtml&quot;&gt;\n  &lt;head&gt;\n    &lt;meta content=&quot;text/html;charset=UTF-8&quot; http-equiv=&quot;content-type&quot; /&gt;\n    &lt;title&gt;{{PAGE_TITLE}}&lt;/title&gt;\n{{#CSS_URL}}\n    &lt;link type=&quot;text/css&quot; href=&quot;{{{CSS_URL}}}&quot; rel=&quot;Stylesheet&quot; /&gt;\n{{/CSS_URL}}{{#KIWIX_RESPONSE_DATA}}    &lt;script&gt;\n      window.KIWIX_RESPONSE_TEMPLATE = &quot;{{KIWIX_RESPONSE_TEMPLATE}}&quot;;\n      window.KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};\n    &lt;/script&gt;{{/KIWIX_RESPONSE_DATA}}\n  &lt;/head&gt;\n  &lt;body&gt;\n    &lt;h1&gt;{{PAGE_HEADING}}&lt;/h1&gt;\n{{#details}}\n    &lt;p&gt;\n      {{{p}}}\n    &lt;/p&gt;\n{{/details}}\n  &lt;/body&gt;\n&lt;/html&gt;\n";
+      window.KIWIX_RESPONSE_DATA = { "CSS_URL" : "/css/error.css", "PAGE_HEADING" : { "msgid" : "404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "404-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "suggest-search", "params" : { "PATTERN" : "asdf", "SEARCH_URL" : "/search?q=asdf" } } } ] };
     </script>
   </head>
   <body>
@@ -86,8 +86,8 @@ R"(<!DOCTYPE html>
     <title>[I18N TESTING] Not Found - Try Again</title>
     <link type="text/css" href="/css/error.css" rel="Stylesheet" />
     <script>
-      const KIWIX_RESPONSE_TEMPLATE = "<!DOCTYPE html>\n<html xmlns=\"http://www.w3.org/1999/xhtml\">\n  <head>\n    <meta content=\"text/html;charset=UTF-8\" http-equiv=\"content-type\" />\n    <title>{{PAGE_TITLE}}</title>\n{{#CSS_URL}}\n    <link type=\"text/css\" href=\"{{{CSS_URL}}}\" rel=\"Stylesheet\" />\n{{/CSS_URL}}{{#KIWIX_RESPONSE_DATA}}    <script>\n      const KIWIX_RESPONSE_TEMPLATE = \"{{{KIWIX_RESPONSE_TEMPLATE}}}\";\n      const KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};\n    </script>{{/KIWIX_RESPONSE_DATA}}\n  </head>\n  <body>\n    <h1>{{PAGE_HEADING}}</h1>\n{{#details}}\n    <p>\n      {{{p}}}\n    </p>\n{{/details}}\n  </body>\n</html>\n";
-      const KIWIX_RESPONSE_DATA = { "CSS_URL" : "/css/error.css", "PAGE_HEADING" : { "msgid" : "404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "404-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "suggest-search", "params" : { "PATTERN" : "asdf", "SEARCH_URL" : "/search?q=asdf" } } } ] };
+      window.KIWIX_RESPONSE_TEMPLATE = "&lt;!DOCTYPE html&gt;\n&lt;html xmlns=&quot;http://www.w3.org/1999/xhtml&quot;&gt;\n  &lt;head&gt;\n    &lt;meta content=&quot;text/html;charset=UTF-8&quot; http-equiv=&quot;content-type&quot; /&gt;\n    &lt;title&gt;{{PAGE_TITLE}}&lt;/title&gt;\n{{#CSS_URL}}\n    &lt;link type=&quot;text/css&quot; href=&quot;{{{CSS_URL}}}&quot; rel=&quot;Stylesheet&quot; /&gt;\n{{/CSS_URL}}{{#KIWIX_RESPONSE_DATA}}    &lt;script&gt;\n      window.KIWIX_RESPONSE_TEMPLATE = &quot;{{KIWIX_RESPONSE_TEMPLATE}}&quot;;\n      window.KIWIX_RESPONSE_DATA = {{{KIWIX_RESPONSE_DATA}}};\n    &lt;/script&gt;{{/KIWIX_RESPONSE_DATA}}\n  &lt;/head&gt;\n  &lt;body&gt;\n    &lt;h1&gt;{{PAGE_HEADING}}&lt;/h1&gt;\n{{#details}}\n    &lt;p&gt;\n      {{{p}}}\n    &lt;/p&gt;\n{{/details}}\n  &lt;/body&gt;\n&lt;/html&gt;\n";
+      window.KIWIX_RESPONSE_DATA = { "CSS_URL" : "/css/error.css", "PAGE_HEADING" : { "msgid" : "404-page-heading", "params" : { } }, "PAGE_TITLE" : { "msgid" : "404-page-title", "params" : { } }, "details" : [ { "p" : { "msgid" : "suggest-search", "params" : { "PATTERN" : "asdf", "SEARCH_URL" : "/search?q=asdf" } } } ] };
     </script>
   </head>
   <body>