diff --git a/python/src/coreai_models/vlm/export.py b/python/src/coreai_models/vlm/export.py
index e0dc1f7..dab6d16 100644
--- a/python/src/coreai_models/vlm/export.py
+++ b/python/src/coreai_models/vlm/export.py
@@ -81,8 +81,8 @@ def num_visual_tokens(self) -> int:
         patch_size=16,
         spatial_merge_size=2,
         temporal_patch_size=2,  # Qwen frames-per-image (single image -> duplicated)
-        image_mean=(0.48145466, 0.4578275, 0.40821073),
-        image_std=(0.26862954, 0.26130258, 0.27577711),
+        image_mean=(0.5, 0.5, 0.5),
+        image_std=(0.5, 0.5, 0.5),
         rescale_factor=1.0,
     ),
 }