diff --git a/modules/nf-core/purgedups/purgedups/main.nf b/modules/nf-core/purgedups/purgedups/main.nf
index ad22bc0ba390..f412462db3fb 100644
--- a/modules/nf-core/purgedups/purgedups/main.nf
+++ b/modules/nf-core/purgedups/purgedups/main.nf
@@ -27,8 +27,8 @@ process PURGEDUPS_PURGEDUPS {
         ${args} \\
         -T ${cutoff} \\
         -c ${basecov} \\
-        ${paf} 2> >(tee test.purge_dups.log >&2) | gzip \
-        > test.dups.bed.gz
+        ${paf} 2> >(tee ${prefix}.purge_dups.log >&2) | gzip \
+        > ${prefix}.dups.bed.gz
     """
 
     stub:
diff --git a/modules/nf-core/purgedups/purgedups/tests/main.nf.test.snap b/modules/nf-core/purgedups/purgedups/tests/main.nf.test.snap
index b9448f371793..0e4cb068c2a0 100644
--- a/modules/nf-core/purgedups/purgedups/tests/main.nf.test.snap
+++ b/modules/nf-core/purgedups/purgedups/tests/main.nf.test.snap
@@ -13,11 +13,11 @@
                 ]
             }
         ],
+        "timestamp": "2026-03-02T14:30:24.844266",
         "meta": {
             "nf-test": "0.9.3",
             "nextflow": "25.10.3"
-        },
-        "timestamp": "2026-03-02T14:30:24.844266"
+        }
     },
     "sarscov2 -- stub": {
         "content": [
@@ -70,10 +70,10 @@
                 ]
             }
         ],
+        "timestamp": "2026-03-02T14:30:33.082437",
         "meta": {
             "nf-test": "0.9.3",
             "nextflow": "25.10.3"
-        },
-        "timestamp": "2026-03-02T14:30:33.082437"
+        }
     }
 }
\ No newline at end of file