diff --git a/openmc/model/model.py b/openmc/model/model.py
index 82fe87ca5..a512c4d38 100644
--- a/openmc/model/model.py
+++ b/openmc/model/model.py
@@ -2052,7 +2052,8 @@ class Model:
             # Unpack the isothermal XSData objects and build a single XSData object per material.
             mgxs_sets = []
             for m in range(len(self.materials)):
-                mgxs_sets.append(openmc.XSdata(self.materials[m].name, groups))
+                mgxs_sets.append(openmc.XSdata(self.materials[m].name, groups,
+                                               temperatures=temperatures))
                 mgxs_sets[-1].order = 0
                 for temperature in temperatures:
                     mgxs_sets[-1].add_temperature_data(raw_mgxs_sets[temperature][m])
@@ -2333,7 +2334,7 @@ class Model:
             # Unpack the isothermal XSData objects and build a single XSData object per material.
             mgxs_sets = []
             for mat in self.materials:
-                mgxs_sets.append(openmc.XSdata(mat.name, groups))
+                mgxs_sets.append(openmc.XSdata(mat.name, groups, temperatures=temperatures))
                 mgxs_sets[-1].order = 0
                 for temperature in temperatures:
                     mgxs_sets[-1].add_temperature_data(raw_mgxs_sets[temperature][mat.name])
@@ -2500,7 +2501,7 @@ class Model:
             # Unpack the isothermal XSData objects and build a single XSData object per material.
             mgxs_sets = []
             for mat in self.materials:
-                mgxs_sets.append(openmc.XSdata(mat.name, groups))
+                mgxs_sets.append(openmc.XSdata(mat.name, groups, temperatures=temperatures))
                 mgxs_sets[-1].order = 0
                 for temperature in temperatures:
                     mgxs_sets[-1].add_temperature_data(raw_mgxs_sets[temperature][mat.name])