diff --git a/hyvideo/modules/models.py b/hyvideo/modules/models.py
index 766eacf..aa00331 100644
--- a/hyvideo/modules/models.py
+++ b/hyvideo/modules/models.py
@@ -758,7 +758,8 @@ class HYVideoDiffusionTransformer(ModelMixin, ConfigMixin):
         self.teacache_end_step = 100
         self.rel_l1_thresh = 0.15
         self.accumulated_rel_l1_distance = 0
-        self.previous_modulated_input = None
+        self.previous_modulated_input_cond = None
+        self.previous_modulated_input_uncond = None
         self.previous_residual = None
         self.teacache_device = None
 
diff --git a/nodes.py b/nodes.py
index f8bc546..abcfa3e 100644
--- a/nodes.py
+++ b/nodes.py
@@ -1423,7 +1423,8 @@ class HyVideoSampler:
             transformer.teacache_skipped_steps_cond = 0
             transformer.teacache_skipped_steps_uncond = 0
             transformer.accumulated_rel_l1_distance = 0
-            transformer.previous_modulated_input = None
+            transformer.previous_modulated_input_cond = None
+            transformer.previous_modulated_input_uncond = None
             transformer.previous_residual = None
             transformer.teacache_device = device
             transformer.enable_teacache = True