diff --git a/src/ifcopenshell-python/ifcopenshell/simple_spf b/src/ifcopenshell-python/ifcopenshell/simple_spf
index 3baaa7db3f..08880b437f 160000
--- a/src/ifcopenshell-python/ifcopenshell/simple_spf
+++ b/src/ifcopenshell-python/ifcopenshell/simple_spf
@@ -1 +1 @@
-Subproject commit 3baaa7db3f862621f24b1f5cb58e744cc792e4ae
+Subproject commit 08880b437f8c185fd4c1f49dd33ddf55281efef4