diff --git a/isl.spec b/isl.spec
index 563ddbe..69d05e0 100644
--- a/isl.spec
+++ b/isl.spec
@@ -21,6 +21,7 @@ Release: 12%{?buildid}%{?dist}
 BuildRequires:  gcc
 BuildRequires: gmp-devel
 BuildRequires: pkgconfig
+BuildRequires: make
 Provides: isl = %{oldversion}
 
 Source0: http://isl.gforge.inria.fr/isl-%{version}.tar.xz