diff --git a/README.md b/README.md
index 8d032f471e..785fb6feb6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 IfcOpenShell 
 ============
 IfcOpenShell is an open source ([LGPL]) software library for working with the Industry Foundation Classes ([IFC]) 
-file format. Currently supported IFC releases are [IFC2x3 TC1] and [IFC4 Add1].
+file format. Currently supported IFC releases are [IFC2x3 TC1] and [IFC4 Add2 TC1].
 
 For more information, see
 * [http://ifcopenshell.org](http://ifcopenshell.org)  
diff --git a/src/ifcgeom/IfcGeomFunctions.cpp b/src/ifcgeom/IfcGeomFunctions.cpp
index 1db328acc4..7d56cc7d0b 100644
--- a/src/ifcgeom/IfcGeomFunctions.cpp
+++ b/src/ifcgeom/IfcGeomFunctions.cpp
@@ -2223,6 +2223,8 @@ bool IfcGeom::Kernel::convert_layerset(const IfcSchema::IfcProduct* product, std
 	}
 
 	if (positive) {
+		std::reverse(thicknesses.begin(), thicknesses.end());
+		std::reverse(styles.begin(), styles.end());
 		std::reverse(surfaces.begin(), surfaces.end());
 	}