diff --git a/modules/sd_models_utils.py b/modules/sd_models_utils.py
index 4430527e5..0d201779c 100644
--- a/modules/sd_models_utils.py
+++ b/modules/sd_models_utils.py
@@ -162,6 +162,10 @@ def apply_function_to_model(sd_model, function, options, op=None):
             sd_model.unet = function(sd_model.unet, op="unet", sd_model=sd_model)
         if hasattr(sd_model, 'transformer') and hasattr(sd_model.transformer, 'config'):
             sd_model.transformer = function(sd_model.transformer, op="transformer", sd_model=sd_model)
+        if hasattr(sd_model, 'transformer_2') and hasattr(sd_model.transformer_2, 'config'):
+            sd_model.transformer_2 = function(sd_model.transformer_2, op="transformer_2", sd_model=sd_model)
+        if hasattr(sd_model, 'transformer_3') and hasattr(sd_model.transformer_3, 'config'):
+            sd_model.transformer_3 = function(sd_model.transformer_3, op="transformer_3", sd_model=sd_model)
         if hasattr(sd_model, 'decoder_pipe') and hasattr(sd_model, 'decoder'):
             sd_model.decoder = None
             sd_model.decoder = sd_model.decoder_pipe.decoder = function(sd_model.decoder_pipe.decoder, op="decoder_pipe.decoder", sd_model=sd_model)
diff --git a/pipelines/model_wanai.py b/pipelines/model_wanai.py
index 246d10123..e7cc61107 100644
--- a/pipelines/model_wanai.py
+++ b/pipelines/model_wanai.py
@@ -24,6 +24,7 @@ def load_transformer(repo_id, diffusers_load_config={}, subfolder='transformer')
             fn,
             cache_dir=shared.opts.hfcache_dir,
             **load_args,
+            **quant_args,
         )
     else:
         shared.log.debug(f'Load model: type=WanAI {subfolder}="{repo_id}" quant="{model_quant.get_quant_type(quant_args)}" args={load_args}')