diff --git a/matrix-synapse.spec b/matrix-synapse.spec
index 1f24be9..bf119b6 100644
--- a/matrix-synapse.spec
+++ b/matrix-synapse.spec
@@ -15,6 +15,7 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
+%{?!python_module:%define python_module() python-%{**} python3-%{**}}
 %define         github_user matrix-org
 %define         short_name synapse
 Name:           matrix-%{short_name}