diff --git a/pkg/trust/registries.go b/pkg/trust/registries.go
index da2e7eb426..23de8b1e33 100644
--- a/pkg/trust/registries.go
+++ b/pkg/trust/registries.go
@@ -22,8 +22,10 @@ type registryConfiguration struct {
 
 // registryNamespace defines lookaside locations for a single namespace.
 type registryNamespace struct {
-	SigStore        string `json:"sigstore"`         // For reading, and if SigStoreStaging is not present, for writing.
-	SigStoreStaging string `json:"sigstore-staging"` // For writing only.
+	Lookaside        string `json:"lookaside"`         // For reading, and if LookasideStaging is not present, for writing.
+	LookasideStaging string `json:"lookaside-staging"` // For writing only.
+	SigStore         string `json:"sigstore"`          // For reading, and if SigStoreStaging is not present, for writing.
+	SigStoreStaging  string `json:"sigstore-staging"`  // For writing only.
 }
 
 // systemRegistriesDirPath is the path to registries.d.
diff --git a/pkg/trust/testdata/quay.io.yaml b/pkg/trust/testdata/quay.io.yaml
new file mode 100644
index 0000000000..80071596d2
--- /dev/null
+++ b/pkg/trust/testdata/quay.io.yaml
@@ -0,0 +1,3 @@
+docker:
+     quay.io/multi-signed:
+         lookaside: https://quay.example.com/sigstore
diff --git a/pkg/trust/trust.go b/pkg/trust/trust.go
index 9dd6878f97..aaddcf93ed 100644
--- a/pkg/trust/trust.go
+++ b/pkg/trust/trust.go
@@ -91,7 +91,11 @@ func getPolicyShowOutput(policyContentStruct policyContent, systemRegistriesDirP
 
 			registryNamespace := haveMatchRegistry(repo, registryConfigs)
 			if registryNamespace != nil {
-				tempTrustShowOutput.SignatureStore = registryNamespace.SigStore
+				if registryNamespace.Lookaside != "" {
+					tempTrustShowOutput.SignatureStore = registryNamespace.Lookaside
+				} else { // incl. registryNamespace.SigStore == ""
+					tempTrustShowOutput.SignatureStore = registryNamespace.SigStore
+				}
 			}
 			output = append(output, &tempTrustShowOutput)
 		}
diff --git a/pkg/trust/trust_test.go b/pkg/trust/trust_test.go
index fc906572dc..3ee49cc472 100644
--- a/pkg/trust/trust_test.go
+++ b/pkg/trust/trust_test.go
@@ -66,7 +66,7 @@ func TestPolicyDescription(t *testing.T) {
 					Name:           "quay.io/multi-signed",
 					RepoName:       "quay.io/multi-signed",
 					Type:           "signed",
-					SignatureStore: "",
+					SignatureStore: "https://quay.example.com/sigstore",
 					GPGId:          "1, 2, 3",
 				},
 				{