diff --git a/plugins/samplesource/rtlsdr/rtlsdrgui.ui b/plugins/samplesource/rtlsdr/rtlsdrgui.ui
index a9f5abfad..64adccb3c 100644
--- a/plugins/samplesource/rtlsdr/rtlsdrgui.ui
+++ b/plugins/samplesource/rtlsdr/rtlsdrgui.ui
@@ -214,7 +214,7 @@
         <string>Automatic DC offset removal</string>
        </property>
        <property name="text">
-        <string>DC offset</string>
+        <string>DC</string>
        </property>
       </widget>
      </item>
@@ -224,7 +224,7 @@
         <string>Automatic IQ imbalance correction</string>
        </property>
        <property name="text">
-        <string>IQ imbalance</string>
+        <string>IQ</string>
        </property>
       </widget>
      </item>
@@ -235,6 +235,19 @@
        </property>
       </widget>
      </item>
+     <item row="0" column="3">
+      <spacer name="horizontalSpacer_6">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
     </layout>
    </item>
    <item>