diff --git a/src/h3_blackwell_runtime/qwen3vl_text.py b/src/h3_blackwell_runtime/qwen3vl_text.py
index 44c8b46..3f641a0 100644
--- a/src/h3_blackwell_runtime/qwen3vl_text.py
+++ b/src/h3_blackwell_runtime/qwen3vl_text.py
@@ -216,7 +216,7 @@ class Qwen3VL32BTextEncoder(nn.Module):
         if position_ids is not None:
             from .qwen3vl_vision import mrope_freqs_cis
 
-            freqs_cis = mrope_freqs_cis(position_ids, device=hidden_states.device)
+            freqs_cis = mrope_freqs_cis(position_ids.to(hidden_states.device))
         for layer_index, layer in enumerate(self.layers):
             hidden_states = layer(hidden_states, freqs_cis)
             if (