diff --git a/src/main/resources/org/datadog/jmxfetch/default-jmx-metrics.yaml b/src/main/resources/org/datadog/jmxfetch/default-jmx-metrics.yaml
index 5fa2f252a..88832443b 100644
--- a/src/main/resources/org/datadog/jmxfetch/default-jmx-metrics.yaml
+++ b/src/main/resources/org/datadog/jmxfetch/default-jmx-metrics.yaml
@@ -186,6 +186,14 @@
       Usage.used:
         alias: jvm.gc.old_gen_size
         metric_type: gauge
+- include:
+    domain: java.lang
+    type: MemoryPool
+    name: Tenured Gen
+    attribute:
+      Usage.used:
+        alias: jvm.gc.old_gen_size
+        metric_type: gauge
 - include:
     domain: java.lang
     type: MemoryPool