diff --git a/makefile b/makefile
index 666c8b8..b67361b 100644
--- a/makefile
+++ b/makefile
@@ -35,8 +35,8 @@ $(program_obj_filesobj_files): %.o: %.c
 # --------------------------
 # Unit Tests
 # --------------------------
-unitTestsNumbers: numbers.o test_numbers.c $(unityfolder)/unity.c
-	$(CC) $(FLAGS) -I$(unityfolder) -o runtest_numbers test_numbers.c numbers.o $(unityfolder)/unity.c
+unitTests: numbers.o test_numbers.c $(unityfolder)/unity.c
+	$(CC) $(FLAGS) -I$(unityfolder) -o runtest_numbers test_numbers.c numbers.o bintree.o $(unityfolder)/unity.c
 
 # --------------------------
 # Clean