diff --git a/CourseCopy.class.php b/CourseCopy.class.php
index 4501425dd134a17edeafebfaa74c8a3735b94a02..aab4a417ccff1473747265d1f0fa98750289044b 100755
--- a/CourseCopy.class.php
+++ b/CourseCopy.class.php
@@ -4,18 +4,21 @@ class CourseCopy extends StudIPPlugin implements AdminCourseAction
 {
     public function getAdminActionURL()
     {
-        return PluginEngine::getURL($this, array(), "copy/info");
+        return PluginEngine::getURL($this, [], "copy/info");
     }
 
-    public function useMultimode() {
-        if (version_compare($GLOBALS['SOFTWARE_VERSION'], "3.4.99", ">=")) {
-            //Damit es im Dialog geöffnet wird
-            return \Studip\Button::createAccept(_("Kopieren"), "edit", array('data-dialog' => 1));
-        } else {
-            return _("Kopieren");
-        }
+
+    public function useMultimode()
+    {
+        //Damit es im Dialog geöffnet wird
+        return \Studip\Button::createAccept(
+            dgettext('CourseCopy', 'Kopieren'),
+            'edit',
+            ['data-dialog' => 1]
+        );
     }
 
+
     public function getAdminCourseActionTemplate($course_id, $values = null, $semester = null) {
         $factory = new Flexi_TemplateFactory(__DIR__."/views");
         $template = $factory->open("action/checkbox.php");
@@ -23,4 +26,4 @@ class CourseCopy extends StudIPPlugin implements AdminCourseAction
         $template->set_attribute("plugin", $this);
         return $template;
     }
-}
\ No newline at end of file
+}
diff --git a/controllers/copy.php b/controllers/copy.php
index a3ece22c9b3b855d631d5ef7f596b73cd2e8abb8..474a8d7dd4074d2e9332fcc70f9b3ced2591c353 100755
--- a/controllers/copy.php
+++ b/controllers/copy.php
@@ -114,4 +114,4 @@ class CopyController extends PluginController
         }
         $this->redirect(URLHelper::getURL("dispatch.php/admin/courses/index"));
     }
-}
\ No newline at end of file
+}
diff --git a/views/copy/info.php b/views/copy/info.php
index af20d7ee647921811a0e7ddf1a3730b737bbee1e..1e31ee0e835cf6ac39405637edfe32a266834431 100755
--- a/views/copy/info.php
+++ b/views/copy/info.php
@@ -28,8 +28,12 @@
             <input type="checkbox" name="cycles" value="1" checked>
             <?= _("Regelmäßige Termine mit kopieren") ?>
         </label>
+        <label>
+            <input type="checkbox" name="lock_copied_courses" value="1">
+            <?= _('Kopierte Veranstaltungen sperren') ?>
+        </label>
     </fieldset>
     <div data-dialog-button>
         <?= \Studip\Button::create(_("Kopieren"), "copy", array('onclick' => "return window.confirm('"._("Wirklich kopieren?")."');")) ?>
     </div>
-</form>
\ No newline at end of file
+</form>