diff --git a/modules/nf-core/freyja/update/main.nf b/modules/nf-core/freyja/update/main.nf
index bcd0f4eeedba..4ea62f4ff83a 100644
--- a/modules/nf-core/freyja/update/main.nf
+++ b/modules/nf-core/freyja/update/main.nf
@@ -13,7 +13,7 @@ process FREYJA_UPDATE {
 
     output:
     path "${db_name}/*barcodes.*"            , emit: barcodes
-    path "${db_name}/*lineages.yml"          , emit: lineages_topology
+    path "${db_name}/*lineages.yml"          , emit: lineages_topology, optional: true
     path "${db_name}/*pathogen_config.yml"   , emit: config
     path "${db_name}/*curated_lineages.json" , emit: lineages_meta, optional: true
     tuple val("${task.process}"), val('freyja'), eval("freyja --version | sed 's/.* //'"), topic: versions, emit: versions_freyja
diff --git a/modules/nf-core/freyja/update/tests/main.nf.test b/modules/nf-core/freyja/update/tests/main.nf.test
index 9eccce3cb74b..a2e8a1ed8380 100644
--- a/modules/nf-core/freyja/update/tests/main.nf.test
+++ b/modules/nf-core/freyja/update/tests/main.nf.test
@@ -67,6 +67,34 @@ nextflow_process {
         }
     }
 
+    test("RSVa - value db name - no lineages_topology ") {
+
+        when {
+            params {
+                freyja_update_args = "--pathogen RSVa"
+            }
+
+            process {
+                """
+                input[0] = "test_db"
+                """
+            }
+        }
+
+        then {
+            assertAll(
+                { assert process.success },
+                { assert path(process.out.config.get(0)).text.contains("RSVa") },
+                { assert process.out.lineages_topology == [] },
+                { assert snapshot(
+                        file(process.out.barcodes.get(0)).name,
+                        process.out.findAll { key, val -> key.startsWith("versions") }
+                    ).match()
+                }
+            )
+        }
+    }
+
     test("SARS-cov-2 - value db name - stub ") {
         options "-stub"
 
diff --git a/modules/nf-core/freyja/update/tests/main.nf.test.snap b/modules/nf-core/freyja/update/tests/main.nf.test.snap
index 3046fc23f75e..2e47a433dafa 100644
--- a/modules/nf-core/freyja/update/tests/main.nf.test.snap
+++ b/modules/nf-core/freyja/update/tests/main.nf.test.snap
@@ -23,11 +23,11 @@
                 ]
             }
         ],
+        "timestamp": "2026-02-19T09:58:44.069216",
         "meta": {
             "nf-test": "0.9.3",
             "nextflow": "25.10.3"
-        },
-        "timestamp": "2026-02-19T09:58:44.069216"
+        }
     },
     "sarscov2 - value db name ": {
         "content": [
@@ -44,11 +44,30 @@
                 ]
             }
         ],
+        "timestamp": "2026-02-19T09:58:31.628204",
         "meta": {
             "nf-test": "0.9.3",
             "nextflow": "25.10.3"
-        },
-        "timestamp": "2026-02-19T09:58:31.628204"
+        }
+    },
+    "RSVa - value db name - no lineages_topology ": {
+        "content": [
+            "RSVa_barcodes.csv",
+            {
+                "versions_freyja": [
+                    [
+                        "FREYJA_UPDATE",
+                        "freyja",
+                        "2.0.3"
+                    ]
+                ]
+            }
+        ],
+        "timestamp": "2026-04-03T23:23:55.517856659",
+        "meta": {
+            "nf-test": "0.9.5",
+            "nextflow": "25.10.4"
+        }
     },
     "MPX - value db name ": {
         "content": [
@@ -64,10 +83,10 @@
                 ]
             }
         ],
+        "timestamp": "2026-02-19T09:49:00.685131",
         "meta": {
             "nf-test": "0.9.3",
             "nextflow": "25.10.3"
-        },
-        "timestamp": "2026-02-19T09:49:00.685131"
+        }
     }
 }
\ No newline at end of file