diff --git a/openmc/mgxs/library.py b/openmc/mgxs/library.py
index 87c6665b2d..fa49d24e64 100644
--- a/openmc/mgxs/library.py
+++ b/openmc/mgxs/library.py
@@ -361,6 +361,8 @@ class Library(object):
             raise ValueError(msg)
 
         self._sp_filename = statepoint._f.filename
+        self._openmc_geometry = statepoint.summary.openmc_geometry
+        self._opencg_geometry = None
 
         # Load tallies for each MGXS for each domain and mgxs type
         for domain in self.domains:
diff --git a/openmc/opencg_compatible.py b/openmc/opencg_compatible.py
index 93c0e5fae7..6430b24240 100644
--- a/openmc/opencg_compatible.py
+++ b/openmc/opencg_compatible.py
@@ -726,7 +726,7 @@ def get_openmc_cell(opencg_cell):
         openmc_cell.fill = get_openmc_material(fill)
 
     if opencg_cell.rotation:
-        rotation = np.asarray(opencg_cell.rotation, dtype=np.int)
+        rotation = np.asarray(opencg_cell.rotation, dtype=np.float64)
         openmc_cell.rotation = rotation
 
     if opencg_cell.translation: