diff --git a/static/skin/viewer.js b/static/skin/viewer.js
index 0b7a6787..89bbae47 100644
--- a/static/skin/viewer.js
+++ b/static/skin/viewer.js
@@ -10,6 +10,8 @@ let viewerState = {
   uiLanguage: 'en',
 };
 
+const FULL_ROOT_URL = `${window.location.origin}${root}`;
+
 function dropUserLang(query) {
   const q = new URLSearchParams(query);
   q.delete('userlang');
@@ -347,6 +349,12 @@ function onClickEvent(e) {
   if (target !== null && "href" in target) {
     const target_href = getRealHref(target);
     const target_url = new URL(target_href, iframeDocument.location);
+    if ( target_url.href.startsWith(`${FULL_ROOT_URL}/viewer#`) &&
+         !linkShouldBeOpenedInANewWindow(target, e) ) {
+      contentIframe.contentWindow.parent.location = target_url;
+      e.preventDefault();
+      return;
+    }
     const isExternalAppUrl = urlMustBeHandledByAnExternalApp(target_url);
     if ( (isExternalAppUrl && !viewerSettings.linkBlockingEnabled)
          || goingToOpenALinkToAnUndisplayableResource(target_url) ) {
@@ -398,14 +406,24 @@ this.Element && function(ElementPrototype) {
     }
 }(Element.prototype);
 
-function setup_external_link_blocker() {
-  setupEventHandler(contentIframe.contentDocument, 'a', 'click', onClickEvent);
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // End of external link blocking
 ////////////////////////////////////////////////////////////////////////////////
 
+const internalUrlPrefix = `${FULL_ROOT_URL}/content/`;
+
+function setup_chaperon_mode() {
+  setupEventHandler(contentIframe.contentDocument, 'a', 'click', onClickEvent);
+  const links = contentIframe.contentDocument.getElementsByTagName('a');
+  for ( const a of links ) {
+    // XXX: wombat's possible involvement with href not taken into account
+    if ( a.hasAttribute('href') && a.href.startsWith(internalUrlPrefix) ) {
+      const userUrl = a.href.substr(internalUrlPrefix.length);
+      a.href = `${root}/viewer#${userUrl}`;
+    }
+  }
+}
+
 let viewerSetupComplete = false;
 
 function on_content_load() {
@@ -416,7 +434,7 @@ function on_content_load() {
   if ( viewerSetupComplete ) {
     handle_content_url_change();
   }
-  setup_external_link_blocker();
+  setup_chaperon_mode();
 }
 
 function htmlDecode(input) {
diff --git a/test/server.cpp b/test/server.cpp
index bf5a2a34..481ff31f 100644
--- a/test/server.cpp
+++ b/test/server.cpp
@@ -77,7 +77,7 @@ const ResourceCollection resources200Compressible{
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/taskbar.css" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/taskbar.css?cacheid=42e90cb9" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/viewer.js" },
-  { STATIC_CONTENT,  "/ROOT%23%3F/skin/viewer.js?cacheid=7f05bf6c" },
+  { STATIC_CONTENT,  "/ROOT%23%3F/skin/viewer.js?cacheid=05ef466b" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/fonts/Poppins.ttf" },
   { STATIC_CONTENT,  "/ROOT%23%3F/skin/fonts/Poppins.ttf?cacheid=af705837" },
   { DYNAMIC_CONTENT, "/ROOT%23%3F/skin/fonts/Roboto.ttf" },
@@ -338,7 +338,7 @@ R"EXPECTEDRESULT(    <link type="text/css" href="./skin/kiwix.css?cacheid=b4e29e
     <script type="text/javascript" src="./skin/polyfills.js?cacheid=a0e0343d"></script>
     <script type="module" src="./skin/i18n.js?cacheid=e9a10ac1" defer></script>
     <script type="text/javascript" src="./skin/languages.js?cacheid=08955948" defer></script>
-    <script type="text/javascript" src="./skin/viewer.js?cacheid=7f05bf6c" defer></script>
+    <script type="text/javascript" src="./skin/viewer.js?cacheid=05ef466b" defer></script>
     <script type="text/javascript" src="./skin/autoComplete/autoComplete.min.js?cacheid=1191aaaf"></script>
       const blankPageUrl = root + "/skin/blank.html?cacheid=6b1fa032";
           <label for="kiwix_button_show_toggle"><img src="./skin/caret.png?cacheid=22b942b4" alt=""></label>