diff --git a/python-setuptools_scm.spec b/python-setuptools_scm.spec
index 4ed60ab..f688013 100644
--- a/python-setuptools_scm.spec
+++ b/python-setuptools_scm.spec
@@ -15,8 +15,11 @@ BuildRequires:  python%{python3_pkgversion}-devel
 BuildRequires:  pyproject-rpm-macros
 %if %{with tests}
 BuildRequires:  git-core
+# Don't pull mercurial into RHEL just to test this work with it
+%if %{undefined rhel}
 BuildRequires:  mercurial
 %endif
+%endif
 
 %description
 Setuptools_scm handles managing your Python package versions in SCM metadata.