diff --git a/src/api/api_server.py b/src/api/api_server.py
index 2900360..e644743 100755
--- a/src/api/api_server.py
+++ b/src/api/api_server.py
@@ -463,6 +463,7 @@ def delete_engine_download():
 @server.get('/api/renderer/<renderer>/args')
 def get_renderer_args(renderer):
     try:
+        # todo: possibly deprecate
         renderer_engine_class = EngineManager.engine_with_name(renderer)
         return renderer_engine_class().get_arguments()
     except LookupError:
diff --git a/src/ui/add_job.py b/src/ui/add_job.py
index da98f03..89360bb 100644
--- a/src/ui/add_job.py
+++ b/src/ui/add_job.py
@@ -322,12 +322,22 @@ class NewRenderJobForm(QWidget):
             self.load_file_group.setHidden(True)
             self.toggle_renderer_enablement(True)
 
-            # Load scene data
-            self.start_frame_input.setValue(self.project_info.get('frame_start'))
-            self.end_frame_input.setValue(self.project_info.get('frame_end'))
-            self.resolution_x_input.setValue(self.project_info.get('resolution_x'))
-            self.resolution_y_input.setValue(self.project_info.get('resolution_y'))
-            self.frame_rate_input.setValue(self.project_info.get('fps'))
+            # -- Load scene data
+            # start / end frames
+            self.start_frame_input.setValue(self.project_info.get('start_frame', 0))
+            self.end_frame_input.setValue(self.project_info.get('end_frame', 0))
+            self.start_frame_input.setEnabled(bool(self.project_info.get('start_frame')))
+            self.end_frame_input.setEnabled(bool(self.project_info.get('start_frame')))
+
+            # resolution
+            self.resolution_x_input.setValue(self.project_info.get('resolution_x', 1920))
+            self.resolution_y_input.setValue(self.project_info.get('resolution_y', 1080))
+            self.resolution_x_input.setEnabled(bool(self.project_info.get('resolution_x')))
+            self.resolution_y_input.setEnabled(bool(self.project_info.get('resolution_y')))
+
+            # frame rate
+            self.frame_rate_input.setValue(self.project_info.get('fps', 24))
+            self.frame_rate_input.setEnabled(bool(self.project_info.get('fps')))
 
             # Cameras
             self.cameras_list.clear()