diff --git a/src/main.nf b/src/main.nf
index 251ad366074f3a97a1048b9a92c2889ad768e334..3e9cfd695c83943bea7012371409fb85c08e4089 100644
--- a/src/main.nf
+++ b/src/main.nf
@@ -27,5 +27,5 @@ workflow {
   FASTKMERS(SPLIT.out.fastq.transpose())
   MERGEKMER(FASTKMERS.out.csv.groupTuple())
   COLLATEKMER1(MERGEKMER.out.csv.map{it -> it[1]}.collate(5))
-  COLLATEKMER2(COLLATEKMER1.out.csv.map{it -> it[1]}.collect())
+  COLLATEKMER2(COLLATEKMER1.out.csv.collect())
 }