diff --git a/x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/MachineLearning.java b/x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/MachineLearning.java
index 0c8cec2c8d218..97955b225ee1f 100644
--- a/x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/MachineLearning.java
+++ b/x-pack/plugin/ml/src/main/java/org/elasticsearch/xpack/ml/MachineLearning.java
@@ -763,8 +763,9 @@ public void loadExtensions(ExtensionLoader loader) {
      */
     public static final Setting<TimeValue> SCALE_TO_ZERO_AFTER_NO_REQUESTS_TIME = Setting.timeSetting(
         "xpack.ml.trained_models.adaptive_allocations.scale_to_zero_time",
-        TimeValue.timeValueHours(24),
+        TimeValue.timeValueHours(4),
         TimeValue.timeValueMinutes(1),
+        TimeValue.timeValueHours(72),
         Property.Dynamic,
         Setting.Property.NodeScope
     );