diff --git a/gcloud/logging/_gax.py b/gcloud/logging/_gax.py
index 8be12ba7693e..52ec001e088f 100644
--- a/gcloud/logging/_gax.py
+++ b/gcloud/logging/_gax.py
@@ -182,12 +182,13 @@ def sink_create(self, project, sink_name, filter_, destination):
         """
         options = None
         parent = 'projects/%s' % (project,)
-        path = 'projects/%s/sinks/%s' % (project, sink_name)
-        sink_pb = LogSink(name=path, filter=filter_, destination=destination)
+        sink_pb = LogSink(name=sink_name, filter=filter_,
+                          destination=destination)
         try:
             self._gax_api.create_sink(parent, sink_pb, options)
         except GaxError as exc:
             if exc_to_code(exc.cause) == StatusCode.FAILED_PRECONDITION:
+                path = 'projects/%s/sinks/%s' % (project, sink_name)
                 raise Conflict(path)
             raise
 
@@ -315,13 +316,13 @@ def metric_create(self, project, metric_name, filter_, description):
         """
         options = None
         parent = 'projects/%s' % (project,)
-        path = 'projects/%s/metrics/%s' % (project, metric_name)
-        metric_pb = LogMetric(name=path, filter=filter_,
+        metric_pb = LogMetric(name=metric_name, filter=filter_,
                               description=description)
         try:
             self._gax_api.create_log_metric(parent, metric_pb, options)
         except GaxError as exc:
             if exc_to_code(exc.cause) == StatusCode.FAILED_PRECONDITION:
+                path = 'projects/%s/metrics/%s' % (project, metric_name)
                 raise Conflict(path)
             raise
 
diff --git a/gcloud/logging/test__gax.py b/gcloud/logging/test__gax.py
index 730b9f3569a0..3174771d5989 100644
--- a/gcloud/logging/test__gax.py
+++ b/gcloud/logging/test__gax.py
@@ -501,7 +501,7 @@ def test_sink_create_ok(self):
             gax_api._create_sink_called_with)
         self.assertEqual(parent, self.PROJECT_PATH)
         self.assertTrue(isinstance(sink, LogSink))
-        self.assertEqual(sink.name, self.SINK_PATH)
+        self.assertEqual(sink.name, self.SINK_NAME)
         self.assertEqual(sink.filter, self.FILTER)
         self.assertEqual(sink.destination, self.DESTINATION_URI)
         self.assertEqual(options, None)
@@ -705,7 +705,7 @@ def test_metric_create_ok(self):
             gax_api._create_log_metric_called_with)
         self.assertEqual(parent, self.PROJECT_PATH)
         self.assertTrue(isinstance(metric, LogMetric))
-        self.assertEqual(metric.name, self.METRIC_PATH)
+        self.assertEqual(metric.name, self.METRIC_NAME)
         self.assertEqual(metric.filter, self.FILTER)
         self.assertEqual(metric.description, self.DESCRIPTION)
         self.assertEqual(options, None)
diff --git a/setup.py b/setup.py
index 818e946507bf..045fcc4bfc32 100644
--- a/setup.py
+++ b/setup.py
@@ -21,9 +21,9 @@
 
 GRPC_EXTRAS = [
     'grpcio >= 0.14.0',
-    'google-gax >= 0.12.0',
-    'gax-google-pubsub-v1',
-    'gax-google-logging-v2',
+    'google-gax >= 0.12.1',
+    'gax-google-pubsub-v1 >= 0.7.10',
+    'gax-google-logging-v2 >= 0.7.10',
 ]
 
 if sys.version_info[:2] == (2, 7) and 'READTHEDOCS' not in os.environ:
diff --git a/tox.ini b/tox.ini
index 2ba8dbb41225..824eb5e6af36 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,9 +24,9 @@ covercmd =
 [grpc]
 deps =
     grpcio >= 0.14.0
-    google-gax >= 0.12.0
-    gax-google-pubsub-v1
-    gax-google-logging-v2
+    google-gax >= 0.12.1
+    gax-google-pubsub-v1 >= 0.7.10
+    gax-google-logging-v2 >= 0.7.10
 
 [testenv:py27]
 basepython =