diff --git a/src/diffusers/models/embeddings.py b/src/diffusers/models/embeddings.py
index 6dce88826ba0..006ea8b4013f 100644
--- a/src/diffusers/models/embeddings.py
+++ b/src/diffusers/models/embeddings.py
@@ -1154,6 +1154,9 @@ def get_1d_rotary_pos_embed(
         / linear_factor
     )  # [D/2]
     freqs = torch.outer(pos, freqs)  # type: ignore   # [S, D/2]
+    is_npu = freqs.device.type == "npu"
+    if is_npu:
+        freqs = freqs.float()
     if use_real and repeat_interleave_real:
         # flux, hunyuan-dit, cogvideox
         freqs_cos = freqs.cos().repeat_interleave(2, dim=1, output_size=freqs.shape[1] * 2).float()  # [S, D]