diff --git a/pycuda/elementwise.py b/pycuda/elementwise.py
index 5486d097f57d03d7ec1415a733c7bb216e2fe83d..9d66fe4c237f77324b181c37fe370857d4d688f7 100644
--- a/pycuda/elementwise.py
+++ b/pycuda/elementwise.py
@@ -463,7 +463,7 @@ def get_linear_combination_kernel(summand_descriptors, dtype_z):
     return func, tex_src
 
 
-def _get_real_dtype(dtype: np.dtype[Any]) -> np.dtype[Any]:
+def _get_real_dtype(dtype: "np.dtype[Any]") -> "np.dtype[Any]":
     assert dtype.kind == "c"
     return np.empty(0, dtype).real.dtype