diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07f67f2258..5455b40be7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - [#1277](https://github.com/nf-core/sarek/pull/1277) - Fix null value issue for Mutect2 joint calling
+- [#1287](https://github.com/nf-core/sarek/pull/1287) - Adding label `process_single` to local modules.
 
 ### Dependencies
 
diff --git a/modules/local/add_info_to_vcf/main.nf b/modules/local/add_info_to_vcf/main.nf
index 875acdff79..f36eb20062 100644
--- a/modules/local/add_info_to_vcf/main.nf
+++ b/modules/local/add_info_to_vcf/main.nf
@@ -1,5 +1,6 @@
 process ADD_INFO_TO_VCF {
     tag "$meta.id"
+    label 'process_single'
 
     conda "anaconda::gawk=5.1.0"
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
diff --git a/modules/local/build_intervals/main.nf b/modules/local/build_intervals/main.nf
index 29a6b5afad..8f8f0df23e 100644
--- a/modules/local/build_intervals/main.nf
+++ b/modules/local/build_intervals/main.nf
@@ -1,5 +1,6 @@
 process BUILD_INTERVALS {
     tag "$meta.id"
+    label 'process_single'
 
     conda "anaconda::gawk=5.1.0"
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
diff --git a/modules/local/create_intervals_bed/main.nf b/modules/local/create_intervals_bed/main.nf
index 4ade5d8b0c..26c2689346 100644
--- a/modules/local/create_intervals_bed/main.nf
+++ b/modules/local/create_intervals_bed/main.nf
@@ -1,5 +1,6 @@
 process CREATE_INTERVALS_BED {
     tag "$intervals"
+    label 'process_single'
 
     conda "anaconda::gawk=5.1.0"
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?