diff --git a/plugins/samplesink/testsink/testsinkgui.ui b/plugins/samplesink/testsink/testsinkgui.ui
index 37ecfb351..7858fc1c5 100644
--- a/plugins/samplesink/testsink/testsinkgui.ui
+++ b/plugins/samplesink/testsink/testsinkgui.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>364</width>
-    <height>350</height>
+    <height>420</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -19,7 +19,7 @@
   <property name="minimumSize">
    <size>
     <width>364</width>
-    <height>0</height>
+    <height>420</height>
    </size>
   </property>
   <property name="font">