diff --git a/blender_cloud/flamenco/__init__.py b/blender_cloud/flamenco/__init__.py
index a863c45..7d8e935 100644
--- a/blender_cloud/flamenco/__init__.py
+++ b/blender_cloud/flamenco/__init__.py
@@ -179,6 +179,7 @@ class FLAMENCO_OT_render(async_loop.AsyncModalOperatorMixin,
 
             settings['cycles_num_chunks'] = scene.flamenco_render_schunk_count
             settings['cycles_sample_count'] = samples
+            settings['format'] = 'EXR'
 
         try:
             job_info = await create_job(self.user_id,