diff --git a/pkg/cmd/util/output/backup_describer.go b/pkg/cmd/util/output/backup_describer.go
index 52a29911d..664684cf7 100644
--- a/pkg/cmd/util/output/backup_describer.go
+++ b/pkg/cmd/util/output/backup_describer.go
@@ -445,6 +445,7 @@ func describeBackupVolumes(ctx context.Context, kbClient kbclient.Client, d *Des
 
 	nativeSnapshots := []*volume.VolumeInfo{}
 	csiSnapshots := []*volume.VolumeInfo{}
+	legacyInfoSource := false
 
 	buf := new(bytes.Buffer)
 	err := downloadrequest.Stream(ctx, kbClient, backup.Namespace, backup.Name, velerov1api.DownloadTargetKindBackupVolumeInfos, buf, downloadRequestTimeout, insecureSkipTLSVerify, caCertPath)
@@ -460,6 +461,8 @@ func describeBackupVolumes(ctx context.Context, kbClient kbclient.Client, d *Des
 			d.Printf("\t<error concluding CSI snapshot info: %v>\n", err)
 			return
 		}
+
+		legacyInfoSource = true
 	} else if err != nil {
 		d.Printf("\t<error getting backup volume info: %v>\n", err)
 		return
@@ -483,7 +486,7 @@ func describeBackupVolumes(ctx context.Context, kbClient kbclient.Client, d *Des
 	describeNativeSnapshots(d, details, nativeSnapshots)
 	d.Println()
 
-	describeCSISnapshots(d, details, csiSnapshots)
+	describeCSISnapshots(d, details, csiSnapshots, legacyInfoSource)
 	d.Println()
 
 	describePodVolumeBackups(d, details, podVolumeBackupCRs)
@@ -626,13 +629,17 @@ func describNativeSnapshot(d *Describer, details bool, info *volume.VolumeInfo)
 	}
 }
 
-func describeCSISnapshots(d *Describer, details bool, infos []*volume.VolumeInfo) {
+func describeCSISnapshots(d *Describer, details bool, infos []*volume.VolumeInfo, legacyInfoSource bool) {
 	if !features.IsEnabled(velerov1api.CSIFeatureFlag) {
 		return
 	}
 
 	if len(infos) == 0 {
-		d.Printf("\tCSI Snapshots: <none included>\n")
+		if legacyInfoSource {
+			d.Printf("\tCSI Snapshots: <none included or not detectable>\n")
+		} else {
+			d.Printf("\tCSI Snapshots: <none included>\n")
+		}
 		return
 	}
 
diff --git a/pkg/cmd/util/output/backup_describer_test.go b/pkg/cmd/util/output/backup_describer_test.go
index f3bcd1703..a43ea9584 100644
--- a/pkg/cmd/util/output/backup_describer_test.go
+++ b/pkg/cmd/util/output/backup_describer_test.go
@@ -379,11 +379,25 @@ func TestCSISnapshots(t *testing.T) {
 	}()
 
 	testcases := []struct {
-		name         string
-		volumeInfo   []*volume.VolumeInfo
-		inputDetails bool
-		expect       string
+		name             string
+		volumeInfo       []*volume.VolumeInfo
+		inputDetails     bool
+		expect           string
+		legacyInfoSource bool
 	}{
+		{
+			name:       "empty info, not legacy",
+			volumeInfo: []*volume.VolumeInfo{},
+			expect: `  CSI Snapshots: <none included>
+`,
+		},
+		{
+			name:             "empty info, legacy",
+			volumeInfo:       []*volume.VolumeInfo{},
+			legacyInfoSource: true,
+			expect: `  CSI Snapshots: <none included or not detectable>
+`,
+		},
 		{
 			name: "no details, local snapshot",
 			volumeInfo: []*volume.VolumeInfo{
@@ -509,7 +523,7 @@ func TestCSISnapshots(t *testing.T) {
 				buf:    &bytes.Buffer{},
 			}
 			d.out.Init(d.buf, 0, 8, 2, ' ', 0)
-			describeCSISnapshots(d, tc.inputDetails, tc.volumeInfo)
+			describeCSISnapshots(d, tc.inputDetails, tc.volumeInfo, tc.legacyInfoSource)
 			d.out.Flush()
 			assert.Equal(t, tc.expect, d.buf.String())
 		})
diff --git a/pkg/cmd/util/output/backup_structured_describer.go b/pkg/cmd/util/output/backup_structured_describer.go
index 4c89b4bec..1f6e7d540 100644
--- a/pkg/cmd/util/output/backup_structured_describer.go
+++ b/pkg/cmd/util/output/backup_structured_describer.go
@@ -311,6 +311,7 @@ func describeBackupVolumesInSF(ctx context.Context, kbClient kbclient.Client, ba
 
 	nativeSnapshots := []*volume.VolumeInfo{}
 	csiSnapshots := []*volume.VolumeInfo{}
+	legacyInfoSource := false
 
 	buf := new(bytes.Buffer)
 	err := downloadrequest.Stream(ctx, kbClient, backup.Namespace, backup.Name, velerov1api.DownloadTargetKindBackupVolumeInfos, buf, downloadRequestTimeout, insecureSkipTLSVerify, caCertPath)
@@ -326,6 +327,8 @@ func describeBackupVolumesInSF(ctx context.Context, kbClient kbclient.Client, ba
 			backupVolumes["errorConcludeCSISnapshot"] = fmt.Sprintf("error concluding CSI snapshot info: %v", err)
 			return
 		}
+
+		legacyInfoSource = true
 	} else if err != nil {
 		backupVolumes["errorGetBackupVolumeInfo"] = fmt.Sprintf("error getting backup volume info: %v", err)
 		return
@@ -348,7 +351,7 @@ func describeBackupVolumesInSF(ctx context.Context, kbClient kbclient.Client, ba
 
 	describeNativeSnapshotsInSF(details, nativeSnapshots, backupVolumes)
 
-	describeCSISnapshotsInSF(details, csiSnapshots, backupVolumes)
+	describeCSISnapshotsInSF(details, csiSnapshots, backupVolumes, legacyInfoSource)
 
 	describePodVolumeBackupsInSF(podVolumeBackupCRs, details, backupVolumes)
 
@@ -382,13 +385,17 @@ func describNativeSnapshotInSF(details bool, info *volume.VolumeInfo, snapshotDe
 	}
 }
 
-func describeCSISnapshotsInSF(details bool, infos []*volume.VolumeInfo, backupVolumes map[string]interface{}) {
+func describeCSISnapshotsInSF(details bool, infos []*volume.VolumeInfo, backupVolumes map[string]interface{}, legacyInfoSource bool) {
 	if !features.IsEnabled(velerov1api.CSIFeatureFlag) {
 		return
 	}
 
 	if len(infos) == 0 {
-		backupVolumes["csiSnapshots"] = "<none included>"
+		if legacyInfoSource {
+			backupVolumes["csiSnapshots"] = "<none included or not detectable>"
+		} else {
+			backupVolumes["csiSnapshots"] = "<none included>"
+		}
 		return
 	}
 
diff --git a/pkg/cmd/util/output/backup_structured_describer_test.go b/pkg/cmd/util/output/backup_structured_describer_test.go
index 40501df8d..4dcadacd9 100644
--- a/pkg/cmd/util/output/backup_structured_describer_test.go
+++ b/pkg/cmd/util/output/backup_structured_describer_test.go
@@ -337,11 +337,27 @@ func TestDescribeCSISnapshotsInSF(t *testing.T) {
 	}()
 
 	testcases := []struct {
-		name         string
-		volumeInfo   []*volume.VolumeInfo
-		inputDetails bool
-		expect       map[string]interface{}
+		name             string
+		volumeInfo       []*volume.VolumeInfo
+		inputDetails     bool
+		expect           map[string]interface{}
+		legacyInfoSource bool
 	}{
+		{
+			name:       "empty info, not legacy",
+			volumeInfo: []*volume.VolumeInfo{},
+			expect: map[string]interface{}{
+				"csiSnapshots": "<none included>",
+			},
+		},
+		{
+			name:             "empty info, legacy",
+			volumeInfo:       []*volume.VolumeInfo{},
+			legacyInfoSource: true,
+			expect: map[string]interface{}{
+				"csiSnapshots": "<none included or not detectable>",
+			},
+		},
 		{
 			name: "no details, local snapshot",
 			volumeInfo: []*volume.VolumeInfo{
@@ -480,7 +496,7 @@ func TestDescribeCSISnapshotsInSF(t *testing.T) {
 	for _, tc := range testcases {
 		t.Run(tc.name, func(tt *testing.T) {
 			output := make(map[string]interface{})
-			describeCSISnapshotsInSF(tc.inputDetails, tc.volumeInfo, output)
+			describeCSISnapshotsInSF(tc.inputDetails, tc.volumeInfo, output, tc.legacyInfoSource)
 			assert.True(tt, reflect.DeepEqual(output, tc.expect))
 		})
 	}