diff --git a/TODO.md b/TODO.md
index dcfeb76a9..595f8938d 100644
--- a/TODO.md
+++ b/TODO.md
@@ -8,8 +8,6 @@ Main ToDo list can be found at [GitHub projects](https://github.com/users/vladma
 
 - Video: Hunyuan Video I2V: requires `transformers==4.47.1` <https://github.com/huggingface/diffusers/issues/11118>  
 - Video: Latte 1 T2V: dtype mismatch <https://github.com/huggingface/diffusers/issues/11137>  
-- Video: WAN 2.1 14B I2V 480p/720p: broken offload <https://github.com/huggingface/diffusers/issues/11162>  
-- Video: WAN 2.1 14B I2V 480p/720p: broken custom number of frames <https://github.com/huggingface/diffusers/issues/11163>  
 - Video: CogVideoX 1.5 5B T2V/I2V: all-gray output  
 - Video: Allegro T2V: all-gray output
 
diff --git a/installer.py b/installer.py
index cb80e3962..d6308f519 100644
--- a/installer.py
+++ b/installer.py
@@ -538,7 +538,7 @@ def check_diffusers():
     t_start = time.time()
     if args.skip_all or args.skip_git or args.experimental:
         return
-    sha = '1ddf3f3a19095344166ad7207ebc5be7a862d17e' # diffusers commit hash
+    sha = '617c208bb4cc68fe4518164fee7cbdf5aa44ff78' # diffusers commit hash
     pkg = pkg_resources.working_set.by_key.get('diffusers', None)
     minor = int(pkg.version.split('.')[1] if pkg is not None else 0)
     cur = opts.get('diffusers_version', '') if minor > 0 else ''
diff --git a/modules/video_models/video_overrides.py b/modules/video_models/video_overrides.py
index 5436b485a..6a6619ebc 100644
--- a/modules/video_models/video_overrides.py
+++ b/modules/video_models/video_overrides.py
@@ -34,6 +34,10 @@ def set_overrides(p: processing.StableDiffusionProcessingVideo, selected: Model)
         p.task_args['generator'] = None
     if cls == 'LTXConditionPipeline':
         p.task_args['strength'] = p.denoising_strength
-    if 'LTX' in shared.sd_model.__class__.__name__:
+    if 'Wan' in cls:
+        p.task_args['width'] = 16 * (p.width // 16)
+        p.task_args['height'] = 16 * (p.height // 16)
+        p.frames = 4 * (p.frames // 4) + 1
+    if 'LTX' in cls:
         p.task_args['width'] = 32 * (p.width // 32)
         p.task_args['height'] = 32 * (p.height // 32)