diff --git a/temporal-sdk/src/main/java/io/temporal/internal/worker/PollerOptions.java b/temporal-sdk/src/main/java/io/temporal/internal/worker/PollerOptions.java
index 1245907dd..eff0949d8 100644
--- a/temporal-sdk/src/main/java/io/temporal/internal/worker/PollerOptions.java
+++ b/temporal-sdk/src/main/java/io/temporal/internal/worker/PollerOptions.java
@@ -42,7 +42,7 @@ public static PollerOptions maybeEnrollInPollerAutoscaling(
         && namespaceCapabilities.isPollerAutoscalingAutoEnroll()
         && !(options.getPollerBehavior() instanceof PollerBehaviorAutoscaling)) {
       return PollerOptions.newBuilder(options)
-          .setPollerBehavior(new PollerBehaviorAutoscaling())
+          .setPollerBehavior(new PollerBehaviorAutoscaling(5, 100, 5))
           .build();
     }
     return options;
diff --git a/temporal-sdk/src/test/java/io/temporal/internal/worker/PollerAutoscalingAutoEnrollTest.java b/temporal-sdk/src/test/java/io/temporal/internal/worker/PollerAutoscalingAutoEnrollTest.java
index 5d0df9cc7..21bbdf8bf 100644
--- a/temporal-sdk/src/test/java/io/temporal/internal/worker/PollerAutoscalingAutoEnrollTest.java
+++ b/temporal-sdk/src/test/java/io/temporal/internal/worker/PollerAutoscalingAutoEnrollTest.java
@@ -66,8 +66,8 @@ public void eligibleDefaultIsEnrolledWhenCapabilityAdvertised() {
     assertTrue(
         "defaulted poller type should switch to autoscaling",
         resolved.getPollerBehavior() instanceof PollerBehaviorAutoscaling);
-    // The enrolled behavior uses the PollerBehaviorAutoscaling defaults.
-    assertEquals(new PollerBehaviorAutoscaling(), resolved.getPollerBehavior());
+    // The enrolled behavior uses the explicit auto-enroll min/max/initial values.
+    assertEquals(new PollerBehaviorAutoscaling(5, 100, 5), resolved.getPollerBehavior());
   }
 
   @Test