diff --git a/system_tests/monitoring.py b/system_tests/monitoring.py
index 1a79f2bf6e79..52e2bb0912d7 100644
--- a/system_tests/monitoring.py
+++ b/system_tests/monitoring.py
@@ -165,7 +165,7 @@ def test_query(self):
             pass    # Not necessarily reached.
 
     def test_create_and_delete_metric_descriptor(self):
-        METRIC_TYPE = ('custom.googleapis.com/tmp/system_test_example' +
+        METRIC_TYPE = ('custom.googleapis.com/tmp/systest' +
                        unique_resource_id())
         METRIC_KIND = monitoring.MetricKind.GAUGE
         VALUE_TYPE = monitoring.ValueType.DOUBLE