diff --git a/bin/curvecalc b/bin/curvecalc
--- a/bin/curvecalc
+++ b/bin/curvecalc
@@ -102,7 +102,7 @@ class Main(object):
         self.music.playOrPause(t=times[0] if times else None)
 
     def onSave(self, *args):
-        savekey(song, subterms, curveset)
+        savekey(self.song, self.subterms, self.curveset)
 
     def add_subterms_for_song(self, song, curveset, subterms, master):
         for st in self.graph.objects(song, L9['subterm']):
diff --git a/light9/curvecalc/curvecalc.glade b/light9/curvecalc/curvecalc.glade
--- a/light9/curvecalc/curvecalc.glade
+++ b/light9/curvecalc/curvecalc.glade
@@ -31,6 +31,8 @@
                         <property name="use_action_appearance">False</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
+                        <accelerator key="s" signal="activate" modifiers="GDK_CONTROL_MASK"/>
+                        <signal name="activate" handler="onSave" swapped="no"/>
                       </object>
                     </child>
                     <child>