diff --git a/src/ifcopenshell-python/ifcopenshell/simple_spf b/src/ifcopenshell-python/ifcopenshell/simple_spf
index 08880b437f..63a2b9144a 160000
--- a/src/ifcopenshell-python/ifcopenshell/simple_spf
+++ b/src/ifcopenshell-python/ifcopenshell/simple_spf
@@ -1 +1 @@
-Subproject commit 08880b437f8c185fd4c1f49dd33ddf55281efef4
+Subproject commit 63a2b9144a45e18db30a00ea2de8be965a03e288