diff --git a/butterfly.c b/butterfly_prog.c
similarity index 100%
rename from butterfly.c
rename to butterfly_prog.c
diff --git a/funk.c b/funkboot.c
similarity index 100%
rename from funk.c
rename to funkboot.c
diff --git a/mpm.c b/mpmboot.c
similarity index 100%
rename from mpm.c
rename to mpmboot.c
diff --git a/twi.c b/twiboot.c
similarity index 100%
rename from twi.c
rename to twiboot.c