diff --git a/python-abimap.spec b/python-abimap.spec
index ed2bcaa..3edb324 100644
--- a/python-abimap.spec
+++ b/python-abimap.spec
@@ -76,7 +76,7 @@ install -m 0644 man/abimap.1 %{buildroot}%{_mandir}/man1/
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
-make %{?_smp_mflags} -C tests ABIMAP_NAME_VERSION="abimap-%{version}" ABIMAP_VERSION="%{version}"
+make -j1 -C tests ABIMAP_NAME_VERSION="abimap-%{version}" ABIMAP_VERSION="%{version}"
 %python_expand PYTHONPATH=%{buildroot}%{$python_sitelib}:${PWD}/tests py.test-%{$python_version} -vv tests
 
 %files %{python_files}