diff --git a/modules/effluent.nf b/modules/effluent.nf
index 9b0878a..2f576a4 100644
--- a/modules/effluent.nf
+++ b/modules/effluent.nf
@@ -203,13 +203,9 @@ workflow EFFLUENT {
   trim_aln_ch
   freeb_vcf_ch
   ann_vcf_ch
+  ref_ch
   
   main:
-  ref_ch = Channel
-  .fromPath(params.ref, 
-  checkIfExists:true)
-  
-  
   
   if (params.rerun_lins != null){
   
diff --git a/modules/treatment.nf b/modules/treatment.nf
index baecaae..04109b7 100644
--- a/modules/treatment.nf
+++ b/modules/treatment.nf
@@ -315,4 +315,5 @@ workflow TREATMENT {
   trim_aln_ch
   freeb_vcf_ch
   ann_vcf_ch
+  ref_ch
 }