diff --git a/makefaup1090 b/makefaup1090
index 1a3c868..f849a01 100644
--- a/makefaup1090
+++ b/makefaup1090
@@ -20,6 +20,8 @@ all: faup1090
 %.o: %.c
 	$(CC) $(CFLAGS) $(EXTRACFLAGS) -c $<
 
+faup1090.o: faup1090.c faup1090.h
+
 faup1090: faup1090.o anet.o interactive.o mode_ac.o mode_s.o net_io.o
 	$(CC) -g -o faup1090 faup1090.o anet.o interactive.o mode_ac.o mode_s.o net_io.o coaa1090.obj $(LIBS) $(LDFLAGS)