diff --git a/trademgen.spec b/trademgen.spec
index b287c09..3d00589 100644
--- a/trademgen.spec
+++ b/trademgen.spec
@@ -96,6 +96,13 @@ rm -f %{buildroot}%{_docdir}/%{name}/{NEWS,README,AUTHORS}
 #check
 #ctest
 
+%if %{with python3}
+%post -n python3-%{name}
+ln -s -f %{python3_sitearch}/py%{name}/py%{name} %{_bindir}/py%{name}
+ 
+%postun -n python3-%{name}
+rm -f %{_bindir}/py%{name}
+%endif
 
 %files
 %doc AUTHORS ChangeLog COPYING NEWS README.md