diff --git a/dsv4/ops/rope_cuda.py b/dsv4/ops/rope_cuda.py
index 292b0f84..72f86e53 100644
--- a/dsv4/ops/rope_cuda.py
+++ b/dsv4/ops/rope_cuda.py
@@ -16,7 +16,7 @@ def _compile_and_load():
     if _LIB is not None:
         return _LIB
     
-    cu_path = Path(__file__).parent / "cuda" / "rope_cuda.cu"
+    cu_path = Path(__file__).parent.parent / "kernels" / "cuda" / "rope_cuda.cu"
     assert cu_path.exists(), f"rope_cuda.cu not found at {cu_path}"
     
     # Compile to shared library