diff --git a/python-gwdatafind-server.spec b/python-gwdatafind-server.spec
index e94eb4e1753e0acf5247eac11f6881819d94ff84..b49d7486f3cdb0341c136f10acd12b76cb84a9b9 100644
--- a/python-gwdatafind-server.spec
+++ b/python-gwdatafind-server.spec
@@ -18,6 +18,7 @@ BuildArch: noarch
 BuildRequires: python-srpm-macros
 BuildRequires: python-rpm-macros
 BuildRequires: python3-rpm-macros
+BuildRequires: %__python3
 BuildRequires: python%{python3_pkgversion}-setuptools
 BuildRequires: systemd