--- a/devtools/client/framework/toolbox-options.xhtml
+++ b/devtools/client/framework/toolbox-options.xhtml
@@ -40,17 +40,17 @@
                 data-pref="devtools.theme">
         <legend>&options.selectDevToolsTheme.label2;</legend>
       </fieldset>
 
       <fieldset id="commonprefs-options" class="options-groupbox">
         <legend>&options.commonPrefs.label;</legend>
         <label title="&options.enablePersistentLogs.tooltip;">
           <input type="checkbox" data-pref="devtools.webconsole.persistlog" />
-          &options.enablePersistentLogs.label;
+          <span>&options.enablePersistentLogs.label;</span>
         </label>
       </fieldset>
 
       <fieldset id="inspector-options" class="options-groupbox">
         <legend>&options.context.inspector;</legend>
         <label title="&options.showUserAgentStyles.tooltip;">
           <input type="checkbox"
                  data-pref="devtools.inspector.showUserAgentStyles"/>