diff --git a/qiskit/providers/models/backendconfiguration.py b/qiskit/providers/models/backendconfiguration.py
index 21305e185352..f69a044658d5 100644
--- a/qiskit/providers/models/backendconfiguration.py
+++ b/qiskit/providers/models/backendconfiguration.py
@@ -325,8 +325,10 @@ def __init__(self,
         self.n_uchannels = n_uchannels
         self.u_channel_lo = u_channel_lo
         self.meas_levels = meas_levels
-        self.qubit_lo_range = [[range[0] * 1e9, range[1] * 1e9] for range in qubit_lo_range]
-        self.meas_lo_range = [[range[0] * 1e9, range[1] * 1e9] for range in meas_lo_range]
+        self.qubit_lo_range = [[min_range * 1e9, max_range * 1e9] for
+                               (min_range, max_range) in qubit_lo_range]
+        self.meas_lo_range = [[min_range * 1e9, max_range * 1e9] for
+                              (min_range, max_range) in meas_lo_range]
         self.rep_times = rep_times
         self.meas_kernels = meas_kernels
         self.discriminators = discriminators
@@ -337,8 +339,8 @@ def __init__(self,
 
         channel_bandwidth = kwargs.pop('channel_bandwidth', None)
         if channel_bandwidth:
-            self.channel_bandwidth = [[range[0] * 1e9, range[1] * 1e9] for
-                                      range in channel_bandwidth]
+            self.channel_bandwidth = [[min_range * 1e9, max_range * 1e9] for
+                                      (min_range, max_range) in channel_bandwidth]
 
         super().__init__(backend_name=backend_name, backend_version=backend_version,
                          n_qubits=n_qubits, basis_gates=basis_gates, gates=gates,