diff --git a/django_hstore/managers.py b/django_hstore/managers.py
index 36ccd42..2b5e908 100755
--- a/django_hstore/managers.py
+++ b/django_hstore/managers.py
@@ -7,9 +7,9 @@
 try:
     from django.contrib.gis.db import models as geo_models
     from django_hstore.query import HStoreGeoQuerySet
-    gis_properly_configured = True
+    GEODJANGO_INSTALLED = True
 except:
-    gis_properly_configured = False
+    GEODJANGO_INSTALLED = False
 
 
 class HStoreManager(models.Manager):
@@ -31,7 +31,7 @@ def hslice(self, attr, keys, **params):
         return self.filter(**params).hslice(attr, keys)
 
 
-if gis_properly_configured:
+if GEODJANGO_INSTALLED:
     class HStoreGeoManager(geo_models.GeoManager, HStoreManager):
         """
         Object manager combining Geodjango and hstore.
diff --git a/django_hstore/query.py b/django_hstore/query.py
index b4de125..76dfebd 100755
--- a/django_hstore/query.py
+++ b/django_hstore/query.py
@@ -15,9 +15,9 @@
     from django.contrib.gis.db.models.sql.query import GeoQuery
     from django.contrib.gis.db.models.sql.where import \
         GeoWhereNode, GeoConstraint
-    gis_properly_configured = True
+    GEODJANGO_INSTALLED = True
 except:
-    gis_properly_configured = False
+    GEODJANGO_INSTALLED = False
 
 
 class literal_clause(object):
@@ -133,7 +133,7 @@ def make_atom(self, child, qn, connection):
     make_hstore_atom = make_atom
 
 
-if gis_properly_configured:
+if GEODJANGO_INSTALLED:
     class HStoreGeoWhereNode(HStoreWhereNode, GeoWhereNode):
 
         def make_atom(self, child, qn, connection):
@@ -153,7 +153,7 @@ def __init__(self, model):
         super(HStoreQuery, self).__init__(model, HStoreWhereNode)
 
 
-if gis_properly_configured:
+if GEODJANGO_INSTALLED:
     class HStoreGeoQuery(GeoQuery, Query):
 
         def __init__(self, *args, **kwargs):
@@ -220,7 +220,7 @@ def hupdate(self, query, attr, updates):
         return query
 
 
-if gis_properly_configured:
+if GEODJANGO_INSTALLED:
     class HStoreGeoQuerySet(HStoreQuerySet, GeoQuerySet):
 
         def __init__(self, model=None, query=None, using=None):