diff --git a/src/blenderbim/blenderbim/core/tool.py b/src/blenderbim/blenderbim/core/tool.py
index 8cdb4f82a8..855d70a88e 100644
--- a/src/blenderbim/blenderbim/core/tool.py
+++ b/src/blenderbim/blenderbim/core/tool.py
@@ -316,6 +316,7 @@ class Drawing:
     def is_drawing_active(cls): pass
     def is_editing_sheets(cls): pass
     def move_file(cls, src, dest): pass
+    def open_layout_svg(cls, uri): pass
     def open_spreadsheet(cls, uri): pass
     def open_svg(cls, filepath): pass
     def remove_literal_from_annotation(cls, obj, literal): pass
diff --git a/src/blenderbim/test/core/test_drawing.py b/src/blenderbim/test/core/test_drawing.py
index f2759fc3d2..55c6dfc3f8 100644
--- a/src/blenderbim/test/core/test_drawing.py
+++ b/src/blenderbim/test/core/test_drawing.py
@@ -140,7 +140,7 @@ class TestAddSheet:
 class TestOpenSheet:
     def test_run(self, drawing):
         drawing.get_document_uri("sheet", "LAYOUT").should_be_called().will_return("uri")
-        drawing.open_svg("uri").should_be_called()
+        drawing.open_layout_svg("uri").should_be_called()
         subject.open_sheet(drawing, sheet="sheet")