diff --git a/e3nn_jax/_src/irreps_array.py b/e3nn_jax/_src/irreps_array.py
index 66c2fc4..158e62a 100644
--- a/e3nn_jax/_src/irreps_array.py
+++ b/e3nn_jax/_src/irreps_array.py
@@ -1118,6 +1118,7 @@ def rechunk(self, irreps: IntoIrreps) -> "IrrepsArray":
 
         new_chunks = None
         if self._chunks is not None:
+            jnp = _infer_backend(self.array)
             leading_shape = self.shape[:-1]
 
             new_chunks = []