diff --git a/src/pavucontrol.glade b/src/pavucontrol.glade
index f45ab5d..f56ad0b 100644
--- a/src/pavucontrol.glade
+++ b/src/pavucontrol.glade
@@ -332,6 +332,7 @@
 			      <property name="yalign">0.5</property>
 			      <property name="xpad">0</property>
 			      <property name="ypad">0</property>
+			      <property name="mnemonic_widget">sinkTypeComboBox</property>
 			      <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
 			      <property name="width_chars">-1</property>
 			      <property name="single_line_mode">False</property>
@@ -493,6 +494,7 @@ Virtual Sinks</property>
 			      <property name="yalign">0.5</property>
 			      <property name="xpad">0</property>
 			      <property name="ypad">0</property>
+			      <property name="mnemonic_widget">sourceTypeComboBox</property>
 			      <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
 			      <property name="width_chars">-1</property>
 			      <property name="single_line_mode">False</property>