diff --git a/setup.py b/setup.py
index e3dd252..e90e923 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@
     'flask',
     'flask-sqlalchemy',
     'tornado',
-    'sanic',
+    'sanic<21',
     'aiohttp',
     'pyyaml',
 ]
diff --git a/unrest/rest.py b/unrest/rest.py
index ba2dfdc..aaf2306 100644
--- a/unrest/rest.py
+++ b/unrest/rest.py
@@ -526,10 +526,10 @@ def serialize_all(self, items):
 
         if isinstance(items, Query):
             rv['occurences'] = items.offset(None).limit(None).count()
-            if items._offset is not None:
-                rv['offset'] = items._offset
-            if items._limit is not None:
-                rv['limit'] = items._limit
+            if items.selectable._offset is not None:
+                rv['offset'] = items.selectable._offset
+            if items.selectable._limit is not None:
+                rv['limit'] = items.selectable._limit
 
         rv['objects'] = [self.serialize(item) for item in items]
         if 'occurences' not in rv: