f8c84d87916b624942f247bd1a45fc328d3a6bdb
diff --git a/data/glade/prefs-dialog.glade b/data/glade/prefs-dialog.glade
index 95890b4..4d28016 100644
--- a/data/glade/prefs-dialog.glade
+++ b/data/glade/prefs-dialog.glade
@@ -605,6 +605,7 @@
 	      <child>
 		<widget class="GtkCheckButton" id="smoothscroll_button">
 		  <property name="visible">True</property>
+		  <property name="sensitive">False</property>
 		  <property name="can_focus">True</property>
 		  <property name="label" translatable="yes">Use s_mooth scrolling</property>
 		  <property name="use_underline">True</property>
