diff --git a/mthree/_helpers.py b/mthree/_helpers.py
index 9416a1f1..80682ba9 100644
--- a/mthree/_helpers.py
+++ b/mthree/_helpers.py
@@ -34,7 +34,7 @@ def system_info(backend):
     info_dict["num_qubits"] = config.num_qubits
     _max_shots = backend.options.validator.get("shots", (None, None))[1]
     info_dict["max_shots"] = _max_shots if _max_shots else int(1e9)
-    
+
     if isinstance(backend, IBMBackend):
         info_dict["simulator"] = False
     elif isinstance(backend, BackendV2):
diff --git a/mthree/test/test_multi_job.py b/mthree/test/test_multi_job.py
index e8afcbbc..c87f0dfe 100644
--- a/mthree/test/test_multi_job.py
+++ b/mthree/test/test_multi_job.py
@@ -18,8 +18,8 @@
 def test_multiple_job_submission():
     """Test that submitting multiple jobs works"""
     backend = FakeKolkata()
-    _ = backend.configuration()
-    backend._configuration.max_experiments = 5
+    backend._conf_dict['max_experiments'] = 5
+    #backend._configuration.max_experiments = 5
     mit = mthree.M3Mitigation(backend)
     mit.cals_from_system()
     assert all(cal.trace() > 1.8 for cal in mit.single_qubit_cals)
@@ -28,8 +28,8 @@ def test_multiple_job_submission():
 def test_multiple_job_submission_single_circuit():
     """Test that submitting multiple single-circuit jobs works"""
     backend = FakeKolkata()
-    _ = backend.configuration()
-    backend._configuration.max_experiments = 1
+    backend._conf_dict['max_experiments'] = 5
+    #backend._configuration.max_experiments = 1
     mit = mthree.M3Mitigation(backend)
     mit.cals_from_system()
     assert all(cal.trace() > 1.8 for cal in mit.single_qubit_cals)