diff --git a/src/h3_blackwell_runtime/qwen3vl_vision.py b/src/h3_blackwell_runtime/qwen3vl_vision.py
index 7ed230a..a011059 100644
--- a/src/h3_blackwell_runtime/qwen3vl_vision.py
+++ b/src/h3_blackwell_runtime/qwen3vl_vision.py
@@ -273,7 +273,11 @@ class _VisionAttention(nn.Module):
         )
         # RoPE in fp32 to avoid bf16 precision loss, then cast back.
         orig_dtype = query_states.dtype
-        query_states, key_states = _apply_rope_vision(query_states.float(), key_states.float(), position_embeddings.float())
+        cos, sin, neg_sin = position_embeddings
+        query_states, key_states = _apply_rope_vision(
+            query_states.float(), key_states.float(),
+            (cos.float(), sin.float(), neg_sin.float()),
+        )
         query_states, key_states = query_states.to(orig_dtype), key_states.to(orig_dtype)
         lengths = (cu_seqlens[1:] - cu_seqlens[:-1]).tolist()
         attn_outputs = []