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