diff --git a/libodfgen.spec b/libodfgen.spec
index c83cff7..4ec6f00 100644
--- a/libodfgen.spec
+++ b/libodfgen.spec
@@ -9,7 +9,6 @@ License: LGPLv2+ or MPLv2.0
 URL: https://sourceforge.net/p/libwpd/wiki/libodfgen/
 Source: http://downloads.sourceforge.net/libwpd/%{name}-%{version}.tar.xz
 
-BuildRequires: boost-devel
 BuildRequires: doxygen
 BuildRequires: pkgconfig(librevenge-0.0)
 
@@ -37,7 +36,8 @@ The %{name}-doc package contains documentation files for %{name}.
 %setup -q
 
 %build
-%configure --disable-silent-rules --disable-static --disable-werror
+export CXXFLAGS=-std=c++11
+%configure --disable-silent-rules --disable-static --disable-werror --with-sharedptr=c++11
 sed -i \
     -e 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' \
     -e 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' \