diff --git a/src/nf_modules/bowtie2/main.nf b/src/nf_modules/bowtie2/main.nf
index 82bab9e699763b665ba59b93c4f9fdeeda0d0164..1dc0780d52dc6b5118022a91fdf2b5c9c9f73e59 100644
--- a/src/nf_modules/bowtie2/main.nf
+++ b/src/nf_modules/bowtie2/main.nf
@@ -43,10 +43,10 @@ process mapping_fastq {
 
   input:
   tuple val(index_id), path(index)
-  tuple val(pair_id), path(reads)
+  tuple val(file_id), path(reads)
 
   output:
-  tuple val(pair_id), path("*.bam"), emit: bam
+  tuple val(file_id), path("*.bam"), emit: bam
   path "*_report.txt", emit: report
 
   script: