diff --git a/test/Makefile b/test/Makefile
index a1ff6a854..62e4e17f0 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -2,7 +2,7 @@ export CC  = gcc
 export CXX = g++
 export MPICXX = mpicxx
 export LDFLAGS=  -L../lib -pthread -lm  -lrt 
-export CFLAGS = -Wall -O3 -msse2  -Wno-unknown-pragmas -fPIC -I../include  -std=c++11
+export CFLAGS = -Wall -O3 -msse2  -Wno-unknown-pragmas -fPIC -I../include  -std=c++0x
 
 # specify tensor path
 BIN = speed_test model_recover local_recover lazy_recover