diff --git a/meshroom/ui/app.py b/meshroom/ui/app.py
index 38e1bcb17b..990d928be8 100644
--- a/meshroom/ui/app.py
+++ b/meshroom/ui/app.py
@@ -296,8 +296,7 @@ def markdownToHtml(self, md):
             return md
         return markdown(md)
 
-    @Property(QJsonValue, constant=True)
-    def systemInfo(self):
+    def _systemInfo(self):
         import platform
         import sys
         return {
@@ -305,8 +304,9 @@ def systemInfo(self):
             'python': 'Python {}'.format(sys.version.split(" ")[0])
         }
 
-    @Property("QVariantList", constant=True)
-    def licensesModel(self):
+    systemInfo = Property(QJsonValue, _systemInfo, constant=True)
+
+    def _licensesModel(self):
         """
         Get info about open-source licenses for the application.
         Model provides:
@@ -328,6 +328,7 @@ def licensesModel(self):
             }
         ]
 
+    licensesModel = Property("QVariantList", _licensesModel, constant=True)
     pipelineTemplateFilesChanged = Signal()
     recentProjectFilesChanged = Signal()
     pipelineTemplateFiles = Property("QVariantList", _pipelineTemplateFiles, notify=pipelineTemplateFilesChanged)
diff --git a/meshroom/ui/reconstruction.py b/meshroom/ui/reconstruction.py
index 78a9d6f92a..25ef55aefd 100755
--- a/meshroom/ui/reconstruction.py
+++ b/meshroom/ui/reconstruction.py
@@ -249,10 +249,8 @@ def _updateDenseSceneParams(self):
             self._undistortedImagePath = os.path.join(self._activeNode_PrepareDenseScene.node.output.value, filename)
         self.denseSceneParamsChanged.emit()
 
-    @Property(type=QObject, constant=True)
-    def attribute(self):
-        """ Get the underlying Viewpoint attribute wrapped by this Viewpoint. """
-        return self._viewpoint
+    # Get the underlying Viewpoint attribute wrapped by this Viewpoint.
+    attribute = Property(QObject, lambda self: self._viewpoint, constant=True)
 
     @Property(type="QVariant", notify=initialParamsChanged)
     def initialIntrinsics(self):