diff --git a/cura/CuraApplication.py b/cura/CuraApplication.py
index 89772aafab..6007083f07 100644
--- a/cura/CuraApplication.py
+++ b/cura/CuraApplication.py
@@ -255,13 +255,19 @@ class CuraApplication(QtApplication):
 
     def updatePlatformActivity(self, node = None):
         count = 0
-        scene_boundingbox = AxisAlignedBox()
+        scene_boundingbox = None
         for node in DepthFirstIterator(self.getController().getScene().getRoot()):
             if type(node) is not SceneNode or not node.getMeshData():
                 continue
 
             count += 1
-            scene_boundingbox += node.getBoundingBox()
+            if not scene_boundingbox:
+                scene_boundingbox = node.getBoundingBox()
+            else:
+                scene_boundingbox += node.getBoundingBox()
+
+        if not scene_boundingbox:
+            scene_boundingbox = AxisAlignedBox()
 
         if repr(self._scene_boundingbox) != repr(scene_boundingbox):
             self._scene_boundingbox = scene_boundingbox
diff --git a/plugins/LegacyProfileReader/LegacyProfileReader.py b/plugins/LegacyProfileReader/LegacyProfileReader.py
index b32a317688..923c6f92f9 100644
--- a/plugins/LegacyProfileReader/LegacyProfileReader.py
+++ b/plugins/LegacyProfileReader/LegacyProfileReader.py
@@ -98,9 +98,10 @@ class LegacyProfileReader(ProfileReader):
             compiled = compile(old_setting_expression, new_setting, "eval")
             try:
                 new_value = eval(compiled, {"math": math}, legacy_settings) #Pass the legacy settings as local variables to allow access to in the evaluation.
-                if profile.getSettingValue(new_setting) != new_value: #Not equal to the default.
-                    profile.setSettingValue(new_setting, new_value) #Store the setting in the profile!
             except Exception as e: #Probably some setting name that was missing or something else that went wrong in the ini file.
                 Logger.log("w", "Setting " + new_setting + " could not be set because the evaluation failed. Something is probably missing from the imported legacy profile.")
+                continue
+            if profile.getSettingValue(new_setting) != new_value: #Not equal to the default.
+                profile.setSettingValue(new_setting, new_value) #Store the setting in the profile!
 
         return profile
\ No newline at end of file