diff --git a/src/pkg/retention/job_test.go b/src/pkg/retention/job_test.go
index cf7155b34..6d960ae64 100644
--- a/src/pkg/retention/job_test.go
+++ b/src/pkg/retention/job_test.go
@@ -119,6 +119,7 @@ func (frc *fakeRetentionClient) GetCandidates(repo *res.Repository) ([]*res.Cand
 			Repository:   "harbor",
 			Kind:         "image",
 			Tag:          "latest",
+			Digest:       "latest",
 			PushedTime:   time.Now().Unix() - 11,
 			PulledTime:   time.Now().Unix() - 2,
 			CreationTime: time.Now().Unix() - 10,
@@ -129,6 +130,7 @@ func (frc *fakeRetentionClient) GetCandidates(repo *res.Repository) ([]*res.Cand
 			Repository:   "harbor",
 			Kind:         "image",
 			Tag:          "dev",
+			Digest:       "dev",
 			PushedTime:   time.Now().Unix() - 10,
 			PulledTime:   time.Now().Unix() - 3,
 			CreationTime: time.Now().Unix() - 20,