diff --git a/tests/templates/test_state_preparations/test_mottonen_state_prep.py b/tests/templates/test_state_preparations/test_mottonen_state_prep.py
index 885def86e60..a63a2d20129 100644
--- a/tests/templates/test_state_preparations/test_mottonen_state_prep.py
+++ b/tests/templates/test_state_preparations/test_mottonen_state_prep.py
@@ -431,7 +431,7 @@ def circuit(coeffs):
         qml.MottonenStatePreparation(coeffs, wires=[0, 1])
         return qml.probs(wires=[0, 1])
 
-    circuit_fd = qml.QNode(circuit, dev, diff_method="finite-diff", h=0.05)
+    circuit_fd = qml.QNode(circuit, dev, diff_method="finite-diff", gradient_kwargs={"h": 0.05})
     circuit_ps = qml.QNode(circuit, dev, diff_method="parameter-shift")
     circuit_exact = qml.QNode(circuit, dev_no_shots)