diff --git a/libs/ardour/ardour/scale.h b/libs/ardour/ardour/key.h
similarity index 100%
rename from libs/ardour/ardour/scale.h
rename to libs/ardour/ardour/key.h
diff --git a/libs/ardour/scale.cc b/libs/ardour/key.cc
similarity index 100%
rename from libs/ardour/scale.cc
rename to libs/ardour/key.cc