diff --git a/fastvideo/v1/configs/pipelines/base.py b/fastvideo/v1/configs/pipelines/base.py
index 29f3cbbf4..3e07e5c5a 100644
--- a/fastvideo/v1/configs/pipelines/base.py
+++ b/fastvideo/v1/configs/pipelines/base.py
@@ -52,7 +52,7 @@ class PipelineConfig:
 
     # VAE configuration
     vae_config: VAEConfig = field(default_factory=VAEConfig)
-    vae_precision: str = "fp16"
+    vae_precision: str = "fp32"
     vae_tiling: bool = True
     vae_sp: bool = True
 
diff --git a/fastvideo/v1/configs/pipelines/wan.py b/fastvideo/v1/configs/pipelines/wan.py
index 6036802a1..3eaeacf67 100644
--- a/fastvideo/v1/configs/pipelines/wan.py
+++ b/fastvideo/v1/configs/pipelines/wan.py
@@ -50,7 +50,7 @@ class WanT2V480PConfig(PipelineConfig):
 
     # Precision for each component
     precision: str = "bf16"
-    vae_precision: str = "fp16"
+    vae_precision: str = "fp32"
     text_encoder_precisions: Tuple[str, ...] = field(
         default_factory=lambda: ("fp32", ))
 
diff --git a/fastvideo/v1/configs/wan_1.3B_t2v_pipeline.json b/fastvideo/v1/configs/wan_1.3B_t2v_pipeline.json
index 13e7470d4..a2d959b8c 100644
--- a/fastvideo/v1/configs/wan_1.3B_t2v_pipeline.json
+++ b/fastvideo/v1/configs/wan_1.3B_t2v_pipeline.json
@@ -4,7 +4,7 @@
   "use_cpu_offload": true,
   "disable_autocast": false,
   "precision": "bf16",
-  "vae_precision": "fp16",
+  "vae_precision": "fp32",
   "vae_tiling": false,
   "vae_sp": false,
   "vae_config": {
diff --git a/fastvideo/v1/configs/wan_14B_i2v_480p_pipeline.json b/fastvideo/v1/configs/wan_14B_i2v_480p_pipeline.json
index bf908da0c..1035eefe5 100644
--- a/fastvideo/v1/configs/wan_14B_i2v_480p_pipeline.json
+++ b/fastvideo/v1/configs/wan_14B_i2v_480p_pipeline.json
@@ -4,7 +4,7 @@
   "use_cpu_offload": true,
   "disable_autocast": false,
   "precision": "bf16",
-  "vae_precision": "fp16",
+  "vae_precision": "fp32",
   "vae_tiling": false,
   "vae_sp": false,
   "vae_config": {