diff --git a/src/Dam_ID_analysis.nf b/src/Dam_ID_analysis.nf
index 505206218c26149e18c59c4c6765346eed475244..72c84045cc79c7227bced0de9b55ae2fc4774c5c 100644
--- a/src/Dam_ID_analysis.nf
+++ b/src/Dam_ID_analysis.nf
@@ -14,8 +14,8 @@ include { fastp } from "./nf_modules/fastp/main.nf"
 include { index_fasta; mapping_fastq } from "./nf_modules/bowtie2/main.nf"
 
 
-
-
+params.reads = ""
+params.genome = ""
 
 log.info "reads files : ${params.reads}"
 log.info "genome file : ${params.genome}"