diff --git a/src/nextflow.config b/src/nextflow.config
index b087fb329134b6479efe5fa4b200b3815a94d0e0..0211a1bbf37ad5b2a16595df98112ab375bc3324 100755
--- a/src/nextflow.config
+++ b/src/nextflow.config
@@ -76,7 +76,7 @@ profiles {
   pollux {
       singularity.enabled = true
       singularity.cacheDir = "./bin/"
-      singularity.runOptions = "--bind /data,/home"
+      singularity.runOptions = "--bind /data,/home,/scratch"
       process {
         errorStrategy = 'finish'
         memory = '256GB'