diff --git a/polymake.spec b/polymake.spec
index aa38cd1..ed8f9e6 100644
--- a/polymake.spec
+++ b/polymake.spec
@@ -28,6 +28,7 @@ URL:            https://polymake.org/
 Source:         https://github.com/polymake/polymake/archive/V%version.tar.gz
 Source9:        %name-rpmlintrc
 Patch2:         sympol-system.patch
+Patch3:         vertices-31.patch
 BuildRequires:  bliss-devel
 BuildRequires:  cddlib-devel
 BuildRequires:  flint-devel