diff --git a/sources/editor/ui/elementpropertieseditorwidget.ui b/sources/editor/ui/elementpropertieseditorwidget.ui
index 6c3b33344..f7bf44641 100644
--- a/sources/editor/ui/elementpropertieseditorwidget.ui
+++ b/sources/editor/ui/elementpropertieseditorwidget.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>527</width>
-    <height>442</height>
+    <height>492</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -104,6 +104,23 @@
           <item row="0" column="1">
            <widget class="QComboBox" name="m_master_type_cb"/>
           </item>
+          <item row="1" column="0">
+           <widget class="QCheckBox" name="max_slaves_checkbox">
+            <property name="text">
+             <string>max. Slaves definieren</string>
+            </property>
+           </widget>
+          </item>
+          <item row="1" column="1">
+           <widget class="QSpinBox" name="max_slaves_spinbox">
+            <property name="enabled">
+             <bool>false</bool>
+            </property>
+            <property name="minimum">
+             <number>1</number>
+            </property>
+           </widget>
+          </item>
          </layout>
         </widget>
        </item>