diff --git a/static/viewer.html b/static/viewer.html
index 65f25d9a3..56eed1f9f 100644
--- a/static/viewer.html
+++ b/static/viewer.html
@@ -34,23 +34,23 @@
               <input autocomplete="off" class="ui-autocomplete-input" id="kiwixsearchbox" name="pattern" type="text" title="Search '{{title}}'" aria-label="Search '{{title}}'">
             </form>
           </div>
-            <input type="checkbox" id="kiwix_button_show_toggle">
-            <label for="kiwix_button_show_toggle"><img src="./skin/caret.png?KIWIXCACHEID" alt=""></label>
-            <div class="kiwix_button_cont">
-                <a id="kiwix_serve_taskbar_library_button" title="Go to welcome page" aria-label="Go to welcome page" href="./"><button>&#x1f3e0;</button></a>
-              <span id="kiwix_serve_taskbar_book_ui_group">
-                <a id="kiwix_serve_taskbar_home_button"
-                   title="Go to the main page of the current book"
-                   aria-label="Go to the main page of the current book"
-                   onclick="gotoMainPageOfCurrentBook()"></a>
-                <a id="kiwix_serve_taskbar_random_button"
-                   title="Go to a randomly selected page"
-                   aria-label="Go to a randomly selected page"
-                   onclick="gotoRandomPage()">
-                  <button>&#x1F3B2;</button>
-                </a>
-              </span>
-            </div>
+          <input type="checkbox" id="kiwix_button_show_toggle">
+          <label for="kiwix_button_show_toggle"><img src="./skin/caret.png?KIWIXCACHEID" alt=""></label>
+          <div class="kiwix_button_cont">
+            <a id="kiwix_serve_taskbar_library_button" title="Go to welcome page" aria-label="Go to welcome page" href="./"><button>&#x1f3e0;</button></a>
+            <span id="kiwix_serve_taskbar_book_ui_group">
+              <a id="kiwix_serve_taskbar_home_button"
+                 title="Go to the main page of the current book"
+                 aria-label="Go to the main page of the current book"
+                 onclick="gotoMainPageOfCurrentBook()"></a>
+              <a id="kiwix_serve_taskbar_random_button"
+                 title="Go to a randomly selected page"
+                 aria-label="Go to a randomly selected page"
+                 onclick="gotoRandomPage()">
+                <button>&#x1F3B2;</button>
+              </a>
+            </span>
+          </div>
         </div>
       </div>
     </div>
diff --git a/test/server.cpp b/test/server.cpp
index 7ddda5da1..a68ea3356 100644
--- a/test/server.cpp
+++ b/test/server.cpp
@@ -297,7 +297,7 @@ R"EXPECTEDRESULT(    <link type="text/css" href="./skin/taskbar.css?cacheid=216d
     <script type="text/javascript" src="./skin/viewer.js?cacheid=ab5374c5" defer></script>
     <script type="text/javascript" src="./skin/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>
+          <label for="kiwix_button_show_toggle"><img src="./skin/caret.png?cacheid=22b942b4" alt=""></label>
             src="./skin/blank.html?cacheid=6b1fa032" title="ZIM content" width="100%"
 )EXPECTEDRESULT"
     },