diff --git a/src/Main/GLUTkey.cxx b/src/Main/keyboard.cxx similarity index 100% rename from src/Main/GLUTkey.cxx rename to src/Main/keyboard.cxx diff --git a/src/Main/GLUTkey.hxx b/src/Main/keyboard.hxx similarity index 100% rename from src/Main/GLUTkey.hxx rename to src/Main/keyboard.hxx diff --git a/src/Main/GLUTmain.cxx b/src/Main/main.cxx similarity index 100% rename from src/Main/GLUTmain.cxx rename to src/Main/main.cxx