diff --git a/otherarch/sdcpp/sdtype_adapter.cpp b/otherarch/sdcpp/sdtype_adapter.cpp
index 79a872d8c..35aa8a485 100644
--- a/otherarch/sdcpp/sdtype_adapter.cpp
+++ b/otherarch/sdcpp/sdtype_adapter.cpp
@@ -291,6 +291,8 @@ std::string load_gpt_oss_vocab_json()
     return load_embd_file(cache, "embd_res/gpt_oss_vocab_json.embd");
 }
 
+static void step_callback(int step, int frame_count, sd_image_t* image, bool is_noisy, void* data);
+
 static void progress_callback(int step, int steps, float time, void* data)
 {
     (void) data;
@@ -317,8 +319,6 @@ static void progress_callback(int step, int steps, float time, void* data)
     fflush(stdout);
 }
 
-static void step_callback(int step, int frame_count, sd_image_t* image, bool is_noisy, void* data);
-
 static bool is_video_model(kcpp_sd::model_info info)
 {
     return info.is_wan || info.is_ltx || info.is_minimaxh3;