diff --git a/freezegun/api.py b/freezegun/api.py
index bcc83a6e..01ab29ac 100644
--- a/freezegun/api.py
+++ b/freezegun/api.py
@@ -180,7 +180,7 @@ def fake_time():
     def fake_time_ns():
         if _should_use_real_time():
             return real_time_ns()
-        return int(int(fake_time()) * 1e9)
+        return int(fake_time() * 1e9)
 
 
 def fake_localtime(t=None):
diff --git a/tests/test_ticking.py b/tests/test_ticking.py
index e29ce070..0fea463b 100644
--- a/tests/test_ticking.py
+++ b/tests/test_ticking.py
@@ -63,6 +63,15 @@ def test_ticking_time():
         assert time.time() > 1326585599.0
 
 
+@utils.cpython_only
+def test_ticking_time_ns():
+    with freeze_time("Jan 14th, 2012, 23:59:59", tick=True):
+        first_value = time.time_ns()
+        second_value = time.time_ns()
+
+        assert first_value != second_value
+
+
 @utils.cpython_only_mark
 @pytest.mark.parametrize("func_name",
     ("monotonic", "monotonic_ns", "perf_counter", "perf_counter_ns"),