diff --git a/Makefile.am b/Makefile.am
index 825465f8..0d14a9df 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,7 +1,7 @@
 AUTOMAKE_OPTIONS = dist-bzip2 dist-xz foreign subdir-objects
 ACLOCAL_AMFLAGS = -I m4
 
-AM_CXXFLAGS = -std=c++0x $(BOOST_CPPFLAGS) $(COMMON_CXXFLAGS)
+AM_CXXFLAGS = $(BOOST_CPPFLAGS) $(COMMON_CXXFLAGS)
 #AM_LDFLAGS  = $(BOOST_LDFLAGS) $(BOOST_FILESYSTEM_LIB) $(BOOST_SYSTEM_LIB) $(COMMON_LDFLAGS)
 
 SUBDIRS = test