diff --git a/CODE-mp/mp3code/l3.h b/CODE-mp/mp3code/L3.h
similarity index 100%
rename from CODE-mp/mp3code/l3.h
rename to CODE-mp/mp3code/L3.h
diff --git a/CODE-mp/mp3code/csbtl3.c b/CODE-mp/mp3code/csbtL3.c
similarity index 100%
rename from CODE-mp/mp3code/csbtl3.c
rename to CODE-mp/mp3code/csbtL3.c
diff --git a/CODE-mp/mp3code/cupl1.c b/CODE-mp/mp3code/cupL1.c
similarity index 100%
rename from CODE-mp/mp3code/cupl1.c
rename to CODE-mp/mp3code/cupL1.c