diff --git a/python-heapdict.spec b/python-heapdict.spec
index 0cfaee8..6542a74 100644
--- a/python-heapdict.spec
+++ b/python-heapdict.spec
@@ -46,7 +46,7 @@ BuildRequires:  python3-test
 %pyproject_save_files -l %{srcname}
 
 %check
-%{python3} test_heap.py
+%{python3} -m unittest test_heap.py
 
 %files -n python3-%{srcname} -f %{pyproject_files}
 %doc README.rst