diff --git a/Makefile.roomba b/Makefile.roomba
index 3d8fb7c..bcae94e 100644
--- a/Makefile.roomba
+++ b/Makefile.roomba
@@ -26,7 +26,7 @@ N2LIB    = lib/libn2merg.so
 
 all: ${EXE} ${N2LIB} test_merging
 
-${EXE}: ${OBJECTS} 
+${EXE}: ${OBJECTS} ${HEADERS}
 	${CC} ${CFLAGS} -o $@ $^ ${LDFLAGS}
 
 ${OBJECTS}: obj/%.o : src/%.cpp 
@@ -44,5 +44,5 @@ obj/test_merging.o: src/test_merging.c++
 .PHONY:
 clean:
 	@rm -f obj/*.o
-	@rm -f main
+	@rm -f core_fit