diff --git a/src/blenderbim/blenderbim/bim/module/drawing/svgwriter.py b/src/blenderbim/blenderbim/bim/module/drawing/svgwriter.py
index 8108a5f2a8..c9067aaeab 100644
--- a/src/blenderbim/blenderbim/bim/module/drawing/svgwriter.py
+++ b/src/blenderbim/blenderbim/bim/module/drawing/svgwriter.py
@@ -95,13 +95,14 @@ class SvgWriter:
             if not resource_path:
                 self.resource_paths[resource] = None
                 continue
+            resource_path = tool.Ifc.resolve_uri(resource_path)
             os.makedirs(os.path.dirname(resource_path), exist_ok=True)
             if not os.path.exists(resource_path):
                 resource_basename = os.path.basename(resource_path)
                 ootb_resource = os.path.join(bpy.context.scene.BIMProperties.data_dir, "assets", resource_basename)
                 if os.path.exists(ootb_resource):
                     shutil.copy(ootb_resource, resource_path)
-            self.resource_paths[resource] = tool.Ifc.resolve_uri(resource_path)
+            self.resource_paths[resource] = resource_path
 
     def define_boilerplate(self):
         self.add_stylesheet()
diff --git a/src/blenderbim/blenderbim/bim/module/model/slab.py b/src/blenderbim/blenderbim/bim/module/model/slab.py
index d41e0087fb..f04102bdaa 100644
--- a/src/blenderbim/blenderbim/bim/module/model/slab.py
+++ b/src/blenderbim/blenderbim/bim/module/model/slab.py
@@ -238,11 +238,11 @@ class DumbSlabPlaner:
                         if not rel.is_a("IfcRelAssociatesMaterial"):
                             continue
                         for element in rel.RelatedObjects:
-                            self.change_thickness(element, thickness)
+                            self.change_thickness(element, total_thickness)
                 else:
                     for rel in inverse.AssociatedTo:
                         for element in rel.RelatedObjects:
-                            self.change_thickness(element, thickness)
+                            self.change_thickness(element, total_thickness)
 
     def regenerate_from_type(self, usecase_path, ifc_file, settings):
         obj = tool.Ifc.get_object(settings["related_object"])