diff --git a/sagemath.spec b/sagemath.spec
index fe6ce3d..2873bf3 100644
--- a/sagemath.spec
+++ b/sagemath.spec
@@ -803,6 +803,8 @@ export PYTHONPATH=%{_builddir}%{python_sitearch}:$PYTHONPATH
     pushd %{_builddir}%{python_sitearch}
 	patch -p1 < $PATCH
     popd
+    # https://bugzilla.redhat.com/show_bug.cgi?id=1406533
+    sed -i 's/disallow/dissallow/' Cython/Compiler/Options.py
 %endif
 
 # Restore environment used to generate bundled interfaces