diff --git a/app/assets/javascripts/editor/submissions.js b/app/assets/javascripts/editor/submissions.js
index b2dcafee..928c091b 100644
--- a/app/assets/javascripts/editor/submissions.js
+++ b/app/assets/javascripts/editor/submissions.js
@@ -139,7 +139,7 @@ CodeOceanEditorSubmissions = {
         const active_file = CodeOceanEditor.active_file.filename.replace(/#$/,''); // remove # if it is the last character, this is not part of the filename and just an anchor
         const desired_file = response.render_url.filter(hash => hash.filepath === active_file);
         const url = desired_file[0].url;
-        var pop_up_window = window.open(url);
+        var pop_up_window = window.open(url, '_blank');
         if (pop_up_window) {
           pop_up_window.onerror = function (message) {
             this.clearOutput();
diff --git a/app/assets/javascripts/pagedown/pagedown.js.erb b/app/assets/javascripts/pagedown/pagedown.js.erb
index 4ab4062c..7f80a60c 100644
--- a/app/assets/javascripts/pagedown/pagedown.js.erb
+++ b/app/assets/javascripts/pagedown/pagedown.js.erb
@@ -24,7 +24,7 @@ createPagedownEditor = function( selector, context ) {
         Markdown.Extra.init(converter);
         const help = {
             handler() {
-                window.open('https://daringfireball.net/projects/markdown/syntax');
+                window.open('https://daringfireball.net/projects/markdown/syntax', '_blank');
                 return false;
             },
             title: "<%= I18n.t('components.markdown_editor.help', default: 'Markdown Editing Help') %>"