diff --git a/conf/modules.config b/conf/modules.config
index c519fb6a..6790ff63 100644
--- a/conf/modules.config
+++ b/conf/modules.config
@@ -236,4 +236,12 @@ process {
         ]
     }
 
+    withName: 'VCF2MAF' {
+        publishDir = [
+            path: { "${params.outdir}" },
+            mode: params.publish_dir_mode,
+            saveAs: { filename -> filename.equals('versions.yml') ? null : "${meta.key}/vcf2maf/${filename}" },
+        ]
+    }
+
 }
diff --git a/modules/local/vcf2maf/main.nf b/modules/local/vcf2maf/main.nf
new file mode 100644
index 00000000..707f7510
--- /dev/null
+++ b/modules/local/vcf2maf/main.nf
@@ -0,0 +1,50 @@
+process VCF2MAF {
+    tag "${meta.id}"
+    label 'process_medium'
+
+    container 'quay.io/biocontainers/vcf2maf:1.6.22--hdfd78af_0'
+
+    input:
+    tuple val(meta), path(vcf)
+    path genome_fasta
+
+
+    output:
+    tuple val(meta), path("*.maf"), emit: maf
+    path "versions.yml"           , emit: versions
+
+    when:
+    task.ext.when == null || task.ext.when
+
+    script:
+    def args = task.ext.args ?: ''
+
+    """
+    gunzip -c ${vcf} > ${meta.id}-temp.vcf
+
+    vcf2maf.pl \\
+        --inhibit-vep \\
+        --input-vcf ${meta.id}-temp.vcf \\
+        --output-maf ${meta.id}.maf \\
+        --ref-fasta ${genome_fasta} \\
+        --tumor-id ${meta.tumor_id} \\
+        --normal-id ${meta.normal_id} \\
+        --ncbi-build "GRCh38" \\
+        ${args}
+
+
+    cat <<-END_VERSIONS > versions.yml
+    "${task.process}":
+        vcf2maf: \$(vcf2maf.pl --help | grep -o 'vcf2maf [0-9.]*' | sed 's/vcf2maf //' || echo "1.6.22")
+    END_VERSIONS
+    """
+
+    stub:
+    def prefix = task.ext.prefix ?: "${meta.id}"
+    """
+    touch ${prefix}.maf
+
+    echo -e '${task.process}:\\n  stub: noversions\\n' > versions.yml
+    END_VERSIONS
+    """
+}
diff --git a/workflows/sash.nf b/workflows/sash.nf
index 45f907ce..82944eff 100644
--- a/workflows/sash.nf
+++ b/workflows/sash.nf
@@ -49,6 +49,8 @@ include { BOLT_SV_SOMATIC_PRIORITISE } from '../modules/local/bolt/sv_somatic/pr
 include { PAVE_SOMATIC               } from '../modules/local/pave/somatic/main'
 include { SIGRAP_HRDETECT            } from '../modules/local/sigrap/hrdetect/main'
 include { SIGRAP_MUTPAT              } from '../modules/local/sigrap/mutpat/main'
+include { VCF2MAF                    } from '../modules/local/vcf2maf/main'
+
 
 include { ESVEE_CALL                 } from '../modules/local/esvee/call/main'
 include { LINX_ANNOTATION            } from '../subworkflows/local/linx_annotation'
@@ -193,6 +195,34 @@ workflow SASH {
 
 
 
+    //
+    // Convert somatic VCF to MAF format
+    //
+
+    // channel: [ meta_vcf2maf, smlv_somatic_vcf ]
+    ch_vcf2maf_inputs = ch_smlv_somatic_out.map { meta, vcf -> 
+        def meta_vcf2maf = [
+            key: meta.id,
+            id: meta.id,
+            tumor_id: meta.tumor_id,
+            normal_id: meta.normal_id,
+        ]
+        return [meta_vcf2maf, vcf] 
+    }
+
+    VCF2MAF(
+        ch_vcf2maf_inputs,
+        genome.fasta
+    )
+
+    ch_versions = ch_versions.mix(VCF2MAF.out.versions)
+
+    // channel: [ meta, somatic_maf ]
+    ch_vcf2maf_out = VCF2MAF.out.maf
+
+
+
+
     //
     // Germline small variants
     //