diff --git a/openmc/mgxs/library.py b/openmc/mgxs/library.py
index ca9fa5d669..4b8d8a9149 100644
--- a/openmc/mgxs/library.py
+++ b/openmc/mgxs/library.py
@@ -396,7 +396,7 @@ class Library(object):
 
         cv.check_type('statepoint', statepoint, openmc.StatePoint)
 
-        if not statepoint.with_summary:
+        if statepoint.summary is None:
             msg = 'Unable to load data from a statepoint which has not been ' \
                   'linked with a summary file'
             raise ValueError(msg)
diff --git a/openmc/mgxs/mgxs.py b/openmc/mgxs/mgxs.py
index bfa8b02c5c..d1f3d4b069 100644
--- a/openmc/mgxs/mgxs.py
+++ b/openmc/mgxs/mgxs.py
@@ -583,7 +583,7 @@ class MGXS(object):
 
         cv.check_type('statepoint', statepoint, openmc.statepoint.StatePoint)
 
-        if not statepoint.with_summary:
+        if statepoint.summary is None:
             msg = 'Unable to load data from a statepoint which has not been ' \
                   'linked with a summary file'
             raise ValueError(msg)
diff --git a/openmc/statepoint.py b/openmc/statepoint.py
index 4c6f956a49..b7af1a9618 100644
--- a/openmc/statepoint.py
+++ b/openmc/statepoint.py
@@ -1,4 +1,4 @@
-import sys
+mport sys
 import re
 import numpy as np
 
@@ -449,10 +449,6 @@ class StatePoint(object):
     def summary(self):
         return self._summary
 
-    @property
-    def with_summary(self):
-        return False if self.summary is False else True
-
     @sparse.setter
     def sparse(self, sparse):
         """Convert tally data from NumPy arrays to SciPy list of lists (LIL)