diff --git a/src/RNAseq_XGR.nf b/src/RNAseq_XGR.nf
index da0831e845e9bb606c63a53ea31ac25579523750..6de262b77a7e19a61b76c532d11fb9e58ca4767a 100644
--- a/src/RNAseq_XGR.nf
+++ b/src/RNAseq_XGR.nf
@@ -123,7 +123,7 @@ workflow {
   //########################## QUALITY CHECKS ###################
 
   // fastqc_rawdata
-  fastqc_raw(fastq_files.collect())
+  fastqc_raw(fastq_files)
   // fastqc_processed
   fastqc_preprocessed(fastp.out.fastq.map { it -> [it [0], it[1]]})
   // multiqc