diff --git a/cura/Arranging/ArrangeObjectsAllBuildPlatesJob.py b/cura/Arranging/ArrangeObjectsAllBuildPlatesJob.py
index 252cef4e65..6abc553a4b 100644
--- a/cura/Arranging/ArrangeObjectsAllBuildPlatesJob.py
+++ b/cura/Arranging/ArrangeObjectsAllBuildPlatesJob.py
@@ -110,7 +110,7 @@ class ArrangeObjectsAllBuildPlatesJob(Job):
                     arrange_array.add()
                 arranger = arrange_array.get(current_build_plate_number)
 
-                best_spot = arranger.bestSpot(offset_shape_arr, start_prio=start_priority)
+                best_spot = arranger.bestSpot(hull_shape_arr, start_prio=start_priority)
                 x, y = best_spot.x, best_spot.y
                 node.removeDecorator(ZOffsetDecorator)
                 if node.getBoundingBox():
@@ -118,7 +118,7 @@ class ArrangeObjectsAllBuildPlatesJob(Job):
                 else:
                     center_y = 0
                 if x is not None:  # We could find a place
-                    arranger.place(x, y, hull_shape_arr)  # place the object in the arranger
+                    arranger.place(x, y, offset_shape_arr)  # place the object in the arranger
 
                     node.callDecoration("setBuildPlateNumber", current_build_plate_number)
                     grouped_operation.addOperation(TranslateOperation(node, Vector(x, center_y, y), set_position = True))
diff --git a/cura/PrintInformation.py b/cura/PrintInformation.py
index efe1b2795c..e1da1a941d 100644
--- a/cura/PrintInformation.py
+++ b/cura/PrintInformation.py
@@ -357,11 +357,12 @@ class PrintInformation(QObject):
                 data = mime_type.stripExtension(name)
             except:
                 Logger.log("w", "Unsupported Mime Type Database file extension")
+                data = 'unnamed'
 
             if data is not None and check_name is not None:
                 self._base_name = data
             else:
-                self._base_name = ''
+                self._base_name = 'unnamed'
 
             self._updateJobName()