diff --git a/src/ifcconvert/OpenCascadeBasedSerializer.cpp b/src/ifcconvert/OpenCascadeBasedSerializer.cpp
index 13eb10055e..adbc218049 100644
--- a/src/ifcconvert/OpenCascadeBasedSerializer.cpp
+++ b/src/ifcconvert/OpenCascadeBasedSerializer.cpp
@@ -46,8 +46,10 @@ void OpenCascadeBasedSerializer::write(const IfcGeom::BRepElement<double>* o) {
 		o_trsf.SetValues(
 			matrix[0], matrix[3], matrix[6], matrix[ 9],
 			matrix[1], matrix[4], matrix[7], matrix[10], 
-			matrix[2], matrix[5], matrix[8], matrix[11],
-			1e-5, 1e-5
+			matrix[2], matrix[5], matrix[8], matrix[11]
+#if OCC_VERSION_HEX < 0x60800
+			, Precision::Angular(), Precision::Confusion()
+#endif
 		);
 		gtrsf.PreMultiply(o_trsf);
 		
diff --git a/src/ifcgeom/IfcGeomShapes.cpp b/src/ifcgeom/IfcGeomShapes.cpp
index f92dbc1a55..ba2ff2c66f 100644
--- a/src/ifcgeom/IfcGeomShapes.cpp
+++ b/src/ifcgeom/IfcGeomShapes.cpp
@@ -545,9 +545,14 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcRectangularPyramid* l, TopoDS_
 	BRepPrimAPI_MakeWedge builder(dx, dz, dy, dx / 2., dy / 2., dx / 2., dy / 2.);
 	
 	gp_Trsf trsf1, trsf2;
-	trsf2.SetValues(1, 0, 0, 0,
-					0, 0, 1, 0,
-					0, 1, 0, 0, Precision::Confusion(), Precision::Confusion());
+	trsf2.SetValues(
+		1, 0, 0, 0,
+		0, 0, 1, 0,
+		0, 1, 0, 0
+#if OCC_VERSION_HEX < 0x60800
+		, Precision::Angular(), Precision::Confusion()
+#endif			
+	);
 	
 	IfcGeom::Kernel::convert(l->Position(), trsf1);
 	shape = BRepBuilderAPI_Transform(builder.Solid(), trsf1 * trsf2);