diff --git a/modules/samtools/stats/main.nf b/modules/samtools/stats/main.nf
index 89b92d79..9b0c3867 100644
--- a/modules/samtools/stats/main.nf
+++ b/modules/samtools/stats/main.nf
@@ -1,6 +1,6 @@
 process SAMTOOLS_STATS {
     tag "$meta.id"
-    label 'process_low'
+    label 'process_single'
 
     conda (params.enable_conda ? "bioconda::samtools=1.15.1" : null)
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
@@ -25,7 +25,7 @@ process SAMTOOLS_STATS {
     """
     samtools \\
         stats \\
-        --threads ${task.cpus-1} \\
+        --threads ${task.cpus} \\
         ${reference} \\
         ${input} \\
         > ${prefix}.stats
diff --git a/tests/modules/samtools/stats/test.yml b/tests/modules/samtools/stats/test.yml
index be6c3ccc..ae0c1dbc 100644
--- a/tests/modules/samtools/stats/test.yml
+++ b/tests/modules/samtools/stats/test.yml
@@ -1,17 +1,17 @@
 - name: samtools stats test_samtools_stats
   command: nextflow run ./tests/modules/samtools/stats -entry test_samtools_stats -c ./tests/config/nextflow.config  -c ./tests/modules/samtools/stats/nextflow.config
   tags:
-    - samtools
     - samtools/stats
+    - samtools
   files:
     - path: output/samtools/test.stats
-      md5sum: c1e9ad551281b0bca32be1c832d125af
+      md5sum: 5e6fa3805f6d6b330262456746709239
 
 - name: samtools stats test_samtools_stats_cram
   command: nextflow run ./tests/modules/samtools/stats -entry test_samtools_stats_cram -c ./tests/config/nextflow.config  -c ./tests/modules/samtools/stats/nextflow.config
   tags:
-    - samtools
     - samtools/stats
+    - samtools
   files:
     - path: output/samtools/test.stats
-      md5sum: 103cd7b19743c42dab9ce570144c6f36
+      md5sum: 916a8e5bfd97a53f806e5a14565631bb