diff --git a/guide/Makefile b/guide/Makefile
index 7b04231b8..802889095 100644
--- a/guide/Makefile
+++ b/guide/Makefile
@@ -2,7 +2,7 @@ export CC  = gcc
 export CXX = g++
 export MPICXX = mpicxx
 export LDFLAGS= -pthread -lm -L../lib
-export CFLAGS = -Wall -O3 -msse2  -Wno-unknown-pragmas -fPIC -fopenmp -I../include
+export CFLAGS = -Wall -O3 -msse2 -std=c++11 -Wno-unknown-pragmas -fPIC -fopenmp -I../include
 
 .PHONY: clean all lib libmpi
 BIN = basic.rabit broadcast.rabit