diff --git a/gui/ui/Visualization/VisualizationMultiZoneSelectionDialog.ui b/gui/ui/Visualization/VisualizationMultiZoneSelectionDialog.ui
index abc96fd..8bb98fb 100644
--- a/gui/ui/Visualization/VisualizationMultiZoneSelectionDialog.ui
+++ b/gui/ui/Visualization/VisualizationMultiZoneSelectionDialog.ui
@@ -6,14 +6,17 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>270</width>
-    <height>175</height>
+    <width>303</width>
+    <height>139</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Select...</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="spacing">
+    <number>6</number>
+   </property>
    <property name="leftMargin">
     <number>0</number>
    </property>