diff --git a/src/diffusers/pipelines/wan/pipeline_wan.py b/src/diffusers/pipelines/wan/pipeline_wan.py
index be2d53f17932..e5849c801df2 100644
--- a/src/diffusers/pipelines/wan/pipeline_wan.py
+++ b/src/diffusers/pipelines/wan/pipeline_wan.py
@@ -154,6 +154,7 @@ def __init__(
         self.vae_scale_factor_temporal = self.vae.config.scale_factor_temporal if getattr(self, "vae", None) else 4
         self.vae_scale_factor_spatial = self.vae.config.scale_factor_spatial if getattr(self, "vae", None) else 8
         self.video_processor = VideoProcessor(vae_scale_factor=self.vae_scale_factor_spatial)
+        self._interrupt = False
 
     def _get_t5_prompt_embeds(
         self,
diff --git a/src/diffusers/pipelines/wan/pipeline_wan_animate.py b/src/diffusers/pipelines/wan/pipeline_wan_animate.py
index 5806032c0142..0471ae88036c 100644
--- a/src/diffusers/pipelines/wan/pipeline_wan_animate.py
+++ b/src/diffusers/pipelines/wan/pipeline_wan_animate.py
@@ -231,6 +231,7 @@ def __init__(
             fill_color=0,
         )
         self.image_processor = image_processor
+        self._interrupt = False
 
     def _get_t5_prompt_embeds(
         self,
diff --git a/src/diffusers/pipelines/wan/pipeline_wan_i2v.py b/src/diffusers/pipelines/wan/pipeline_wan_i2v.py
index 8061f67ab6b9..34f4822dc9e7 100644
--- a/src/diffusers/pipelines/wan/pipeline_wan_i2v.py
+++ b/src/diffusers/pipelines/wan/pipeline_wan_i2v.py
@@ -195,6 +195,7 @@ def __init__(
         self.vae_scale_factor_spatial = self.vae.config.scale_factor_spatial if getattr(self, "vae", None) else 8
         self.video_processor = VideoProcessor(vae_scale_factor=self.vae_scale_factor_spatial)
         self.image_processor = image_processor
+        self._interrupt = False
 
     def _get_t5_prompt_embeds(
         self,
diff --git a/src/diffusers/pipelines/wan/pipeline_wan_vace.py b/src/diffusers/pipelines/wan/pipeline_wan_vace.py
index b0896d382d67..db94ae598056 100644
--- a/src/diffusers/pipelines/wan/pipeline_wan_vace.py
+++ b/src/diffusers/pipelines/wan/pipeline_wan_vace.py
@@ -199,6 +199,7 @@ def __init__(
         self.vae_scale_factor_temporal = 2 ** sum(self.vae.temperal_downsample) if getattr(self, "vae", None) else 4
         self.vae_scale_factor_spatial = 2 ** len(self.vae.temperal_downsample) if getattr(self, "vae", None) else 8
         self.video_processor = VideoProcessor(vae_scale_factor=self.vae_scale_factor_spatial)
+        self._interrupt = False
 
     # Copied from diffusers.pipelines.wan.pipeline_wan.WanPipeline._get_t5_prompt_embeds
     def _get_t5_prompt_embeds(
diff --git a/src/diffusers/pipelines/wan/pipeline_wan_video2video.py b/src/diffusers/pipelines/wan/pipeline_wan_video2video.py
index 8993475a2851..c1810393f1c1 100644
--- a/src/diffusers/pipelines/wan/pipeline_wan_video2video.py
+++ b/src/diffusers/pipelines/wan/pipeline_wan_video2video.py
@@ -217,6 +217,7 @@ def __init__(
         self.vae_scale_factor_temporal = 2 ** sum(self.vae.temperal_downsample) if getattr(self, "vae", None) else 4
         self.vae_scale_factor_spatial = 2 ** len(self.vae.temperal_downsample) if getattr(self, "vae", None) else 8
         self.video_processor = VideoProcessor(vae_scale_factor=self.vae_scale_factor_spatial)
+        self._interrupt = False
 
     # Copied from diffusers.pipelines.wan.pipeline_wan.WanPipeline._get_t5_prompt_embeds
     def _get_t5_prompt_embeds(