diff --git a/modules/nf-core/gstama/polyacleanup/main.nf b/modules/nf-core/gstama/polyacleanup/main.nf
index 61b98b076544..20a33d05b52c 100644
--- a/modules/nf-core/gstama/polyacleanup/main.nf
+++ b/modules/nf-core/gstama/polyacleanup/main.nf
@@ -11,7 +11,7 @@ process GSTAMA_POLYACLEANUP {
     tuple val(meta), path(fasta)
 
     output:
-    tuple val(meta), path("*.fa.gz")                   , emit: fasta
+    tuple val(meta), path("*_seq.fa.gz")               , emit: seq
     tuple val(meta), path("*_polya_flnc_report.txt.gz"), emit: report
     tuple val(meta), path("*_tails.fa.gz")             , emit: tails
     tuple val("${task.process}"), val('gstama'), eval("tama_collapse.py -version | sed -n 's/tc_version_date_//p'"), emit: versions_gstama, topic: versions
@@ -28,7 +28,10 @@ process GSTAMA_POLYACLEANUP {
         -f $fasta \\
         -p ${prefix} \\
         $args
-    gzip ${prefix}.fa
+
+    mv ${prefix}.fa ${prefix}_seq.fa
+
+    gzip ${prefix}_seq.fa
     gzip ${prefix}_polya_flnc_report.txt
     gzip ${prefix}_tails.fa
     """
@@ -36,7 +39,7 @@ process GSTAMA_POLYACLEANUP {
     stub:
     def prefix = task.ext.prefix ?: "${meta.id}"
     """
-    echo "" | gzip > ${prefix}.fa.gz
+    echo "" | gzip > ${prefix}_seq.fa.gz
     echo "" | gzip > ${prefix}_polya_flnc_report.txt.gz
     echo "" | gzip > ${prefix}_tails.fa.gz
     """
diff --git a/modules/nf-core/gstama/polyacleanup/meta.yml b/modules/nf-core/gstama/polyacleanup/meta.yml
index 598c4be6029d..76e59bcb5394 100644
--- a/modules/nf-core/gstama/polyacleanup/meta.yml
+++ b/modules/nf-core/gstama/polyacleanup/meta.yml
@@ -31,13 +31,13 @@ input:
         pattern: "*.{fa,fasta}"
         ontologies: []
 output:
-  fasta:
+  seq:
     - - meta:
           type: map
           description: |
             Groovy Map containing sample information
             e.g. [ id:'test', single_end:false ]
-      - "*.fa.gz":
+      - "*_seq.fa.gz":
           type: file
           description: The Full Length Non Chimeric reads cleaned from remaining
             polyA tails. The sequences are in FASTA format compressed with gzip.
diff --git a/modules/nf-core/gstama/polyacleanup/tests/main.nf.test.snap b/modules/nf-core/gstama/polyacleanup/tests/main.nf.test.snap
index e2227103f00d..5546752c0bb0 100644
--- a/modules/nf-core/gstama/polyacleanup/tests/main.nf.test.snap
+++ b/modules/nf-core/gstama/polyacleanup/tests/main.nf.test.snap
@@ -2,23 +2,20 @@
     "test-gstama-polyacleanup": {
         "content": [
             {
-                "fasta": [
+                "report": [
                     [
                         {
                             "id": "test"
                         },
-                        [
-                            "test.fa.gz:md5,f0a2c3ca8f19d2197c6b5b273093ebf0",
-                            "test_tails.fa.gz:md5,20a02db3d29cc45b39880e1ad5ee243b"
-                        ]
+                        "test_polya_flnc_report.txt.gz:md5,83ba9d11a59ff516f45dd45c78613206"
                     ]
                 ],
-                "report": [
+                "seq": [
                     [
                         {
                             "id": "test"
                         },
-                        "test_polya_flnc_report.txt.gz:md5,83ba9d11a59ff516f45dd45c78613206"
+                        "test_seq.fa.gz:md5,f0a2c3ca8f19d2197c6b5b273093ebf0"
                     ]
                 ],
                 "tails": [
@@ -38,32 +35,29 @@
                 ]
             }
         ],
-        "timestamp": "2026-05-11T23:18:48.341014322",
         "meta": {
-            "nf-test": "0.9.5",
-            "nextflow": "26.03.2"
-        }
+            "nf-test": "0.9.3",
+            "nextflow": "26.04.4"
+        },
+        "timestamp": "2026-07-03T08:49:26.133692481"
     },
     "test-gstama-polyacleanup -- stub": {
         "content": [
             {
-                "fasta": [
+                "report": [
                     [
                         {
                             "id": "test"
                         },
-                        [
-                            "test.fa.gz:md5,68b329da9893e34099c7d8ad5cb9c940",
-                            "test_tails.fa.gz:md5,68b329da9893e34099c7d8ad5cb9c940"
-                        ]
+                        "test_polya_flnc_report.txt.gz:md5,68b329da9893e34099c7d8ad5cb9c940"
                     ]
                 ],
-                "report": [
+                "seq": [
                     [
                         {
                             "id": "test"
                         },
-                        "test_polya_flnc_report.txt.gz:md5,68b329da9893e34099c7d8ad5cb9c940"
+                        "test_seq.fa.gz:md5,68b329da9893e34099c7d8ad5cb9c940"
                     ]
                 ],
                 "tails": [
@@ -83,10 +77,10 @@
                 ]
             }
         ],
-        "timestamp": "2026-05-11T23:18:56.653882224",
         "meta": {
-            "nf-test": "0.9.5",
-            "nextflow": "26.03.2"
-        }
+            "nf-test": "0.9.3",
+            "nextflow": "26.04.4"
+        },
+        "timestamp": "2026-07-03T08:49:31.508481265"
     }
 }
\ No newline at end of file