diff --git a/src/nf_modules/rasusa/main.nf b/src/nf_modules/rasusa/main.nf
index a76683789494aefe156ae749cee41083c3d23a4b..5f8be27f94f706f2ac399bf21b08ac2338e89dd6 100644
--- a/src/nf_modules/rasusa/main.nf
+++ b/src/nf_modules/rasusa/main.nf
@@ -30,7 +30,7 @@ workflow sample_fastq {
 
 process sub_sample_fastq {
   container = "${container_url}"
-  label "small_mem_multi_cpus"
+  label "small_mem_mono_cpus"
   tag "$file_id"
   if (params.index_fasta_out != "") {
     publishDir "results/${params.sample_fastq_out}", mode: 'copy'