diff --git a/tutorial/cpp/Makefile b/tutorial/cpp/Makefile
index 74520f0..35a21d8 100644
--- a/tutorial/cpp/Makefile
+++ b/tutorial/cpp/Makefile
@@ -13,4 +13,4 @@
 	g++ -o CppClient -I${THRIFT_DIR} -I${BOOST_DIR}  -I../gen-cpp -L${LIB_DIR} -lthrift CppClient.cpp ${GEN_SRC}
 
 clean:
-	rm -fr CppClient CppServer
+	$(RM) -r CppClient CppServer