diff --git a/src/engines/engine_manager.py b/src/engines/engine_manager.py
index 2af7201..4e97b49 100644
--- a/src/engines/engine_manager.py
+++ b/src/engines/engine_manager.py
@@ -244,7 +244,7 @@ class EngineManager:
     @classmethod
     def engine_for_project_path(cls, path):
         name, extension = os.path.splitext(path)
-        extension = extension.strip('.')
+        extension = extension.lower().strip('.')
         for engine in cls.supported_engines():
             if extension in engine.supported_extensions():
                 return engine
diff --git a/src/ui/add_job.py b/src/ui/add_job.py
index c9e8f68..43017c8 100644
--- a/src/ui/add_job.py
+++ b/src/ui/add_job.py
@@ -234,8 +234,13 @@ class NewRenderJobForm(QWidget):
         self.toggle_renderer_enablement(False)
 
     def update_renderer_info(self):
+        # get the renderer info and add them all to the ui
         self.renderer_info = self.server_proxy.get_renderer_info()
         self.renderer_type.addItems(self.renderer_info.keys())
+        # select the best renderer for the file type
+        engine = EngineManager.engine_for_project_path(self.project_path)
+        self.renderer_type.setCurrentText(engine.name().lower())
+        # refresh ui
         self.renderer_changed()
 
     def renderer_changed(self):