--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ DEPS	= Makefile
 OBJS	= empcd.o keyeventtable.o support/mpc-0.12.2/src/libmpdclient.o
 WARNS	= -W -Wall -pedantic -Wno-format -Wno-unused -Wno-long-long
 EXTRA   = -g3
-CFLAGS	= $(WARNS) $(EXTRA) -D_GNU_SOURCE
+CFLAGS	+= $(WARNS) $(EXTRA) -D_GNU_SOURCE
 LDFLAGS	=
 CC      = gcc
 RM      = rm