diff --git a/Makefile b/Makefile
index 75ddd82..8398197 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ PREFIX=/usr/local
 ETCPREFIX=/etc
 
 CXX=g++
-CXXFLAGS= -ggdb -fPIC -pg -Wno-write-strings -I./
+CXXFLAGS= -ggdb -fPIC -pg -Wno-write-strings -I./ -std=c++11
 LDFLAGS= -lm -lc -pg
 
 DEFAULT_TCPPORT=6131