diff --git a/src/RNAseq_tp.nf b/src/RNAseq_tp.nf
new file mode 100644
index 0000000000000000000000000000000000000000..9d8a74ffbdd1fa4e479272c30c0df98b628a2514
--- /dev/null
+++ b/src/RNAseq_tp.nf
@@ -0,0 +1 @@
+nextflow.enable.dsl=2
\ No newline at end of file
diff --git a/src/fasta_sampler_tp.nf b/src/fasta_sampler_tp.nf
index 47478e4d038d1113d997b90060e116991cb4b865..f34049773434d11168ece1af6c00dbb4e82a3d8b 100644
--- a/src/fasta_sampler_tp.nf
+++ b/src/fasta_sampler_tp.nf
@@ -7,10 +7,10 @@ channel
 process sample_fasta {
   publishDir "results/sampling/", mode: 'copy'
   input:
-  file fasta
+  path fasta
 
 output:
-file "*_sample.fasta", emit: fasta_sample
+path "*_sample.fasta", emit: fasta_sample
 
   script:
 """