diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6389ae472..45c7ad47c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - [#723](https://github.com/nf-core/eager/issues/723) - Fixes empty fields in TSV resulting in uninformative error
 - Updated template to nf-core/tools 1.14
 - [#688](https://github.com/nf-core/eager/issues/688) - Clarified the pipeline is not just for humans and microbes, but also plants and animals, and also for modern DNA
+- [#751](https://github.com/nf-core/eager/pull/751) - Added missing label to mtnucratio
 
 ### `Dependencies`
 
diff --git a/main.nf b/main.nf
index df40a6787..67806311c 100644
--- a/main.nf
+++ b/main.nf
@@ -2529,6 +2529,7 @@ process multivcfanalyzer {
 // Mitochondrial to nuclear ratio helps to evaluate quality of tissue sampled
 
  process mtnucratio {
+  label 'sc_small'
   tag "${samplename}"
   publishDir "${params.outdir}/mtnucratio", mode: params.publish_dir_mode