diff --git a/src/Rnaseq.nf b/src/Rnaseq.nf
index 851cc91c0b25c5078e1d412b3cdcb8dee5eb3012..1709ae04d1608d472c864338f16b13bf2095a22c 100644
--- a/src/Rnaseq.nf
+++ b/src/Rnaseq.nf
@@ -31,7 +31,7 @@ process trimming {
   publishDir "results/fastq/trimming/", mode: 'copy'
 
   input:
-  set pair_id, file(reads) from fastq_files_cut
+  file reads from fastq_files_cut
 
   output:
   file "*_trim_R{1,2}.fastq.gz" into fastq_files_trim