diff --git a/polymake.spec b/polymake.spec
index 79618db..80b4aa7 100644
--- a/polymake.spec
+++ b/polymake.spec
@@ -7,7 +7,7 @@
 # rebuilt, because each BRs the other and both are linked against the old
 # version of the library.  Use this to rebuild polymake without Singular
 # support, rebuild Singular, then build polymake again with Singular support.
-%bcond_with singular
+%bcond_without singular
 
 # Date of the "perpetual beta" git snapshot
 %global gitdate  20141013
@@ -16,7 +16,7 @@
 
 Name:           polymake
 Version:        2.13
-Release:        23%{?gitdate:.git%{gitdate}}%{?dist}
+Release:        24%{?gitdate:.git%{gitdate}}%{?dist}
 Summary:        Algorithms on convex polytopes and polyhedra
 
 License:        GPLv2+
@@ -259,6 +259,9 @@ sed -i 's,%{buildroot},,' %{buildroot}%{polydir}/bundled/singular/conf.make
 %doc doc/*
 
 %changelog
+* Wed Sep 16 2015 Jitka Plesnikova <jplesnik@redhat.com> - 2.13-24.git20141013
+- Rebuild with Singular support
+
 * Tue Sep 15 2015 Jitka Plesnikova <jplesnik@redhat.com> - 2.13-23.git20141013
 - Rebuild for perl 5.20.3
 - Disable Singular support