diff --git a/lua51.spec b/lua51.spec
index a8daa44..3144032 100644
--- a/lua51.spec
+++ b/lua51.spec
@@ -169,7 +169,7 @@ LD_LIBRARY_PATH=`pwd` ./lua%{major_version} -e 'print(0)' > /dev/null
 
 %post
 %{_sbindir}/update-alternatives --install                                                 \
-            %{_bindir}/lua            lua       %{_bindir}/lua%{major_version}         53 \
+            %{_bindir}/lua            lua       %{_bindir}/lua%{major_version}         51 \
     --slave %{_bindir}/luac           luac      %{_bindir}/luac%{major_version}           \
     --slave %{_mandir}/man1/lua.1%{ext_man}  lua.1%{ext_man}  %{_mandir}/man1/lua%{major_version}.1%{ext_man}  \
     --slave %{_mandir}/man1/luac.1%{ext_man} luac.1%{ext_man} %{_mandir}/man1/luac%{major_version}.1%{ext_man}
@@ -181,7 +181,7 @@ fi
 
 %post devel
 %{_sbindir}/update-alternatives --install                                                     \
-            %{_libdir}/liblua.so        liblua.so %{_libdir}/liblua%{major_version}.so     53 \
+            %{_libdir}/liblua.so        liblua.so %{_libdir}/liblua%{major_version}.so     51 \
     --slave %{_libdir}/pkgconfig/lua.pc lua.pc    %{_libdir}/pkgconfig/lua%{major_version}.pc
 
 %postun devel