diff --git a/staging/src/k8s.io/apiserver/pkg/util/flowcontrol/request/mutating_work_estimator.go b/staging/src/k8s.io/apiserver/pkg/util/flowcontrol/request/mutating_work_estimator.go
index 1c6c441e27c..45f47686a60 100644
--- a/staging/src/k8s.io/apiserver/pkg/util/flowcontrol/request/mutating_work_estimator.go
+++ b/staging/src/k8s.io/apiserver/pkg/util/flowcontrol/request/mutating_work_estimator.go
@@ -30,7 +30,7 @@ const (
 	eventAdditionalDuration = 5 * time.Millisecond
 	// TODO(wojtekt): Remove it once we tune the algorithm to not fail
 	// scalability tests.
-	enableMutatingWorkEstimator = false
+	enableMutatingWorkEstimator = true
 )
 
 func newMutatingWorkEstimator(countFn watchCountGetterFunc) WorkEstimatorFunc {