diff --git a/src/mqt/predictor/rl/helper.py b/src/mqt/predictor/rl/helper.py
index 25812b453..66cd7737b 100644
--- a/src/mqt/predictor/rl/helper.py
+++ b/src/mqt/predictor/rl/helper.py
@@ -47,14 +47,14 @@ def get_state_sample(max_qubits: int, path_training_circuits: Path, rng: Generat
     Raises:
         RuntimeError: If no quantum circuit could be read from the training circuits folder.
     """
-    file_list = list(path_training_circuits.glob("*.qasm"))
+    file_list = sorted(path_training_circuits.glob("*.qasm"))
 
     path_zip = path_training_circuits / "training_data_compilation.zip"
     if len(file_list) == 0 and path_zip.exists():
         with zipfile.ZipFile(str(path_zip), "r") as zip_ref:
             zip_ref.extractall(path_training_circuits)
 
-        file_list = list(path_training_circuits.glob("*.qasm"))
+        file_list = sorted(path_training_circuits.glob("*.qasm"))
         assert len(file_list) > 0
 
     found_suitable_qc = False
diff --git a/src/mqt/predictor/rl/predictorenv.py b/src/mqt/predictor/rl/predictorenv.py
index c667f8c0d..7306f0ac3 100644
--- a/src/mqt/predictor/rl/predictorenv.py
+++ b/src/mqt/predictor/rl/predictorenv.py
@@ -177,7 +177,6 @@ def __init__(
         self.layout: TranspileLayout | None = None
 
         self.has_parameterized_gates = False
-        self.rng = np.random.default_rng(10)
 
         operation_spaces = {
             operation: Box(low=0, high=1, shape=(1,), dtype=np.float32) for operation in OBSERVATION_OPERATIONS
@@ -419,7 +418,11 @@ def reset(
             self.filename = str(qc)
             current_circuit_name = Path(str(qc)).stem
         else:
-            self.state, self.filename = get_state_sample(self.device.num_qubits, self.path_training_circuits, self.rng)
+            self.state, self.filename = get_state_sample(
+                self.device.num_qubits,
+                self.path_training_circuits,
+                self.np_random,
+            )
             current_circuit_name = Path(self.filename).stem
 
         self.action_space = Discrete(len(self.action_set.keys()))