diff --git a/src/conditioner.hpp b/src/conditioner.hpp
index 05167cf..5564373 100644
--- a/src/conditioner.hpp
+++ b/src/conditioner.hpp
@@ -1313,14 +1313,14 @@ struct T5CLIPEmbedder : public Conditioner {
     std::shared_ptr<T5Runner> t5;
     size_t chunk_len = 512;
     bool use_mask    = false;
-    int mask_pad     = 1;
+    int mask_pad     = 0;
     bool is_umt5     = false;
 
     T5CLIPEmbedder(ggml_backend_t backend,
                    bool offload_params_to_cpu,
                    const String2TensorStorage& tensor_storage_map = {},
                    bool use_mask                                  = false,
-                   int mask_pad                                   = 1,
+                   int mask_pad                                   = 0,
                    bool is_umt5                                   = false)
         : use_mask(use_mask), mask_pad(mask_pad), t5_tokenizer(is_umt5) {
         bool use_t5 = false;
diff --git a/src/stable-diffusion.cpp b/src/stable-diffusion.cpp
index a59ff23..093bed2 100644
--- a/src/stable-diffusion.cpp
+++ b/src/stable-diffusion.cpp
@@ -493,7 +493,7 @@ public:
                                                                     offload_params_to_cpu,
                                                                     tensor_storage_map,
                                                                     true,
-                                                                    1,
+                                                                    0,
                                                                     true);
                 diffusion_model  = std::make_shared<WanModel>(backend,
                                                              offload_params_to_cpu,