diff --git a/cirq-core/cirq/experiments/single_qubit_readout_calibration_test.py b/cirq-core/cirq/experiments/single_qubit_readout_calibration_test.py
index 0026261f9ae..5fc63dcb3ec 100644
--- a/cirq-core/cirq/experiments/single_qubit_readout_calibration_test.py
+++ b/cirq-core/cirq/experiments/single_qubit_readout_calibration_test.py
@@ -87,7 +87,7 @@ def test_estimate_single_qubit_readout_errors_with_noise():
 
 
 def test_estimate_parallel_readout_errors_no_noise():
-    qubits = cirq.LineQubit.range(10)
+    qubits = [cirq.GridQubit(i, 0) for i in range(10)]
     sampler = cirq.Simulator()
     repetitions = 1000
     result = cirq.estimate_parallel_single_qubit_readout_errors(