diff --git a/pkg/controller/control.go b/pkg/controller/control.go
index 0e0a6d1ef..fc7e3f51f 100644
--- a/pkg/controller/control.go
+++ b/pkg/controller/control.go
@@ -648,6 +648,7 @@ func (c *Controller) salvageRevisionCounterDisabledReplicas() error {
 		if t.Add(lastModifyCheckPeriod).After(lastTime) {
 			if salvageReplica.HeadFileSize >= largestSize {
 				bestCandidate = r
+				largestSize = salvageReplica.HeadFileSize
 			}
 		}
 	}