diff --git a/src/qiskit_qec/circuits/css_code.py b/src/qiskit_qec/circuits/css_code.py
index aef761be..714f1a33 100644
--- a/src/qiskit_qec/circuits/css_code.py
+++ b/src/qiskit_qec/circuits/css_code.py
@@ -128,7 +128,7 @@ def __init__(
                     if set(stabilizer).intersection(set(gauge)) == set(gauge):
                         gauges.append(g)
                 self._gauges4stabilizers[j].append(gauges)
-    self.detectors, self.logicals = self.stim_detectors()
+        self.detectors, self.logicals = self.stim_detectors()
 
     def _get_code_properties(self):
         if isinstance(self.code, StabSubSystemCode):