diff --git a/renderlib.py b/renderlib.py
index f865af6..728b634 100644
--- a/renderlib.py
+++ b/renderlib.py
@@ -99,6 +99,10 @@ def rendertask(task):
 	cache = {}
 	for frame in task.sequence(task.parameters):
 		skip_rendering = False
+		# skip first n frames, to speed up rerendering during debugging
+		if 'only_rerender_frames_after' in task.parameters:
+			skip_rendering = (frameNr <= task.parameters['only_rerender_frames_after'])
+		
 		if args.skip_frames:
 			skip_rendering = (frameNr <= args.skip_frames)
 		
diff --git a/subscribe/__init__.py b/subscribe/__init__.py
index f590fb1..035c62f 100644
--- a/subscribe/__init__.py
+++ b/subscribe/__init__.py
@@ -107,6 +107,7 @@ def debug():
 			'$subtitle': 'Ein Einblick in die Podcast-Szene der DIY- und Kreativ-Ecke',
 			'$personnames': 'Monika Andrae'.upper(),
 			#'only_render_frame': 353
+			'only_rerender_frames_after': 225
 		}
 	)
 
@@ -146,5 +147,6 @@ def tasks(queue, args, id_list, skip_list):
 				'$title': event['title'].upper(),
 				'$subtitle': event['subtitle'],
 				'$personnames': event['personnames'].upper(),
+				'only_rerender_frames_after': 225
 			}
 		))