diff --git a/bin/keyboardcomposer b/bin/keyboardcomposer
--- a/bin/keyboardcomposer
+++ b/bin/keyboardcomposer
@@ -257,6 +257,7 @@ class KeyboardComposer(Frame, SubClient)
         if hw_sliders:
             try:
                 self.sliders = Sliders(self)
+                log.info("connected to sliders")
             except IOError:
                 log.info("no hardware sliders")
                 self.sliders = DummySliders()