diff --git a/mopac7.spec b/mopac7.spec
index 687fb15..fc07723 100644
--- a/mopac7.spec
+++ b/mopac7.spec
@@ -5,6 +5,7 @@ Release:        35%{?dist}
 License:        Public Domain
 URL:            http://sourceforge.net/projects/mopac7/
 Source0:        http://bioinformatics.org/ghemical/download/current/mopac7-%{version}.tar.gz
+BuildRequires: make
 BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  gcc-gfortran