diff --git a/src/RNASeq.nf b/src/RNASeq.nf
index 4c5cb196794dc183749231ec49248e5f3ba99421..147f6dad0b4255775dd8e49a4bfc79c79e548a1a 100644
--- a/src/RNASeq.nf
+++ b/src/RNASeq.nf
@@ -28,7 +28,7 @@ process trimming {
   publishDir "results/fastq/trimming/", mode: 'copy'
 
   input:
-  set pair_id, file(reads) from fastq_files
+  set pair_id, "*_cut_R{1,2}.fastq.gz" into fastq_files_cut
 
   output:
   set pair_id, "*_trim_R{1,2}.fastq.gz" into fastq_files_trim