diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index bf3b63f100..9ac0d0c960 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -1491,12 +1491,12 @@ class Query(object):
         clamped to any existing high value.
         """
         if high is not None:
-            if self.high_mark:
+            if self.high_mark is not None:
                 self.high_mark = min(self.high_mark, self.low_mark + high)
             else:
                 self.high_mark = self.low_mark + high
         if low is not None:
-            if self.high_mark:
+            if self.high_mark is not None:
                 self.low_mark = min(self.high_mark, self.low_mark + low)
             else:
                 self.low_mark = self.low_mark + low
diff --git a/tests/regressiontests/queries/models.py b/tests/regressiontests/queries/models.py
index 2f027f8d36..e5d17c0aaf 100644
--- a/tests/regressiontests/queries/models.py
+++ b/tests/regressiontests/queries/models.py
@@ -862,6 +862,8 @@ used in lookups.
 Bug #7698 -- People like to slice with '0' as the high-water mark.
 >>> Item.objects.all()[0:0]
 []
+>>> Item.objects.all()[0:0][:10]
+[]
 
 Bug #7411 - saving to db must work even with partially read result set in
 another cursor.