diff --git a/src/fasta_sampler.nf b/src/fasta_sampler.nf
index ab6f36a38b9e309a5f5b32383b87177471af50c7..193ff621601cad320f463e6024d52cff4d3c102e 100644
--- a/src/fasta_sampler.nf
+++ b/src/fasta_sampler.nf
@@ -8,11 +8,11 @@ process sample_fasta {
   input:
 file fasta from fasta_file
 
-  output:
-file "sample.fasta" into fasta_sample
+output:
+file "*_sample.fasta" into fasta_sample
 
   script:
 """
-head ${fasta} > sample.fasta
+head ${fasta} > ${fasta.baseName}_sample.fasta
 """
 }