diff --git a/src/blenderbim/blenderbim/bim/helper.py b/src/blenderbim/blenderbim/bim/helper.py
index 37807c275c..230022467b 100644
--- a/src/blenderbim/blenderbim/bim/helper.py
+++ b/src/blenderbim/blenderbim/bim/helper.py
@@ -120,7 +120,6 @@ class IfcHeaderExtractor:
             line = next(ifc_file)
             if isinstance(line, bytes):
                 line = line.decode("utf-8")
-            print(line)
             if line.startswith("FILE_DESCRIPTION"):
                 for i, part in enumerate(line.split("'")):
                     if i == 1:
diff --git a/src/blenderbim/blenderbim/bim/module/patch/operator.py b/src/blenderbim/blenderbim/bim/module/patch/operator.py
index 6f3e6647c3..08fde84fc2 100644
--- a/src/blenderbim/blenderbim/bim/module/patch/operator.py
+++ b/src/blenderbim/blenderbim/bim/module/patch/operator.py
@@ -128,6 +128,9 @@ class RunMigratePatch(bpy.types.Operator):
 
     def execute(self, context):
         core.run_migrate_patch(tool.Patch, infile=self.infile, outfile=self.outfile, schema=self.schema)
-        bpy.ops.file.refresh()
+        try:
+            bpy.ops.file.refresh()
+        except:
+            pass  # Probably running in headless mode
         blenderbim.bim.handler.refresh_ui_data()
         return {"FINISHED"}
diff --git a/src/blenderbim/test/core/test_patch.py b/src/blenderbim/test/core/test_patch.py
index 436e8cc496..37b8b1bbd4 100644
--- a/src/blenderbim/test/core/test_patch.py
+++ b/src/blenderbim/test/core/test_patch.py
@@ -16,11 +16,11 @@
 # You should have received a copy of the GNU General Public License
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
 
-import blenderbim.core.owner as subject
+import blenderbim.core.patch as subject
 from test.core.bootstrap import patch
 
 
 class TestRunMigratePatch:
     def test_run(self, patch):
         patch.run_migrate_patch("infile", "outfile", "schema").should_be_called()
-        assert subject.run_migrate_patch(patch, infile="infile", outfile="outfile", schema="schema")
+        subject.run_migrate_patch(patch, infile="infile", outfile="outfile", schema="schema")
diff --git a/src/ifcpatch/ifcpatch/recipes/ExtractElements.py b/src/ifcpatch/ifcpatch/recipes/ExtractElements.py
index 2e6f5ce375..69c5b56173 100644
--- a/src/ifcpatch/ifcpatch/recipes/ExtractElements.py
+++ b/src/ifcpatch/ifcpatch/recipes/ExtractElements.py
@@ -18,6 +18,7 @@
 # along with IfcPatch.  If not, see <http://www.gnu.org/licenses/>.
 
 import ifcopenshell
+import ifcopenshell.api
 import ifcopenshell.util.selector
 
 
@@ -49,18 +50,17 @@ class Patcher:
         self.file = self.new
 
     def add_element(self, element):
-        new_element = self.new.add(element)
+        new_element = ifcopenshell.api.run("project.append_asset", self.new, library=self.file, element=element)
+        if not new_element:
+            return
         for rel in element.ContainedInStructure:
             spatial_element = rel.RelatingStructure
             new_spatial_element = self.new.add(spatial_element)
             self.contained_ins.setdefault(spatial_element.GlobalId, set()).add(new_element)
             self.add_spatial_tree(spatial_element, new_spatial_element)
         for rel in element.Decomposes:
-            self.new.add(rel.RelatingObject)
+            ifcopenshell.api.run("project.append_asset", self.new, library=self.file, element=rel.RelatingObject)
             self.aggregates.setdefault(rel.RelatingObject.GlobalId, set()).add(new_element)
-        for opening in element.HasOpenings:
-            self.new.add(opening)
-            self.new.add(opening.RelatedOpeningElement)
 
     def add_spatial_tree(self, spatial_element, new_spatial_element):
         for rel in spatial_element.Decomposes: