diff --git a/cursor_pagination.py b/cursor_pagination.py
index 3caf6ea..dbcc1d7 100644
--- a/cursor_pagination.py
+++ b/cursor_pagination.py
@@ -36,9 +36,6 @@ def __getitem__(self, key):
     def __repr__(self):
         return '<Page: [%s%s]>' % (', '.join(repr(i) for i in self.items[:21]), ' (remaining truncated)' if len(self.items) > 21 else '')
 
-    async def acount(self):
-        return await self.items.acount()
-
 
 class CursorPaginator(object):
     delimiter = '|'
@@ -75,10 +72,6 @@ def _apply_paginator_arguments(self, qs, first=None, last=None, after=None, befo
         """
         Apply first/after, last/before filtering to the queryset
         """
-        page_size = first or last
-        if page_size is None:
-            return CursorPage(qs, self)
-
         from_last = last is not None
         if from_last and first is not None:
             raise ValueError('Cannot process first and last')
@@ -112,7 +105,7 @@ def page(self, first=None, last=None, after=None, before=None):
         qs = self._apply_paginator_arguments(qs, first, last, after, before)
 
         qs = list(qs)
-        page_size = first or last
+        page_size = first if first is not None else last
         items = qs[:page_size]
         if last is not None:
             items.reverse()
@@ -124,7 +117,7 @@ async def apage(self, first=None, last=None, after=None, before=None):
         qs = self.queryset
         qs = self._apply_paginator_arguments(qs, first, last, after, before)
 
-        page_size = first or last
+        page_size = first if first is not None else last
         items = []
         async for item in qs[:page_size].aiterator():
             items.append(item)
diff --git a/tests/tests.py b/tests/tests.py
index a769dd1..0603b44 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -55,6 +55,18 @@ def setUpTestData(cls):
             cls.items.append(post)
         cls.paginator = CursorPaginator(Post.objects.all(), ('-created',))
 
+    def test_first_page_zero(self):
+        page = self.paginator.page(first=0)
+        self.assertSequenceEqual(page, [])
+        self.assertTrue(page.has_next)
+        self.assertFalse(page.has_previous)
+
+    async def test_async_first_page_zero(self):
+        page = await self.paginator.apage(first=0)
+        self.assertSequenceEqual(page, [])
+        self.assertTrue(page.has_next)
+        self.assertFalse(page.has_previous)
+
     def test_first_page(self):
         page = self.paginator.page(first=2)
         self.assertSequenceEqual(page, [self.items[0], self.items[1]])
@@ -127,6 +139,18 @@ def setUpTestData(cls):
             cls.items.append(post)
         cls.paginator = CursorPaginator(Post.objects.all(), ('-created',))
 
+    def test_first_page_zero(self):
+        page = self.paginator.page(last=0)
+        self.assertSequenceEqual(page, [])
+        self.assertTrue(page.has_previous)
+        self.assertFalse(page.has_next)
+
+    async def test_async_first_page_zero(self):
+        page = await self.paginator.apage(last=0)
+        self.assertSequenceEqual(page, [])
+        self.assertTrue(page.has_previous)
+        self.assertFalse(page.has_next)
+
     def test_first_page(self):
         page = self.paginator.page(last=2)
         self.assertSequenceEqual(page, [self.items[18], self.items[19]])