diff --git a/test/Makefile b/test/Makefile
index 648f6ed..2ae1d7e 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -1,8 +1,9 @@
 CFLAGS=-Wall -I../src
-LDFLAGS=-latf-c ../src/librk65c02.a
+LDFLAGS=-latf-c 
+RK6502LIB=../src/librk65c02.a
 
 test_bus : test_bus.o
-	$(CC) -o test_bus $(LDFLAGS) $<
+	$(CC) -o test_bus $(LDFLAGS) $< $(RK6502LIB)
 
 %.o : %.c
 	$(CC) $(CFLAGS) -c $<