diff --git a/Makefile b/Makefile
index c6084a0..8eb363e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
-CFLAGS=-O2 -g -Wall -W `pkg-config --cflags librtlsdr`
-LIBS=`pkg-config --libs librtlsdr` -lpthread -lm
-CC=gcc
+CFLAGS?=-O2 -g -Wall -W `pkg-config --cflags librtlsdr`
+LDFLAGS?=`pkg-config --libs librtlsdr` -lpthread -lm
+CC?=gcc
 PROGNAME=dump1090
 
 all: dump1090
@@ -9,7 +9,7 @@ all: dump1090
 	$(CC) $(CFLAGS) -c $<
 
 dump1090: dump1090.o anet.o
-	$(CC) -g -o dump1090 dump1090.o anet.o $(LIBS)
+	$(CC) -g -o dump1090 dump1090.o anet.o $(LDFLAGS)
 
 clean:
 	rm -f *.o dump1090