diff --git a/conf/pipeline/sarek/uppmax.config b/conf/pipeline/sarek/uppmax.config
index 3feb2df..df2f3a2 100644
--- a/conf/pipeline/sarek/uppmax.config
+++ b/conf/pipeline/sarek/uppmax.config
@@ -9,9 +9,13 @@ params {
   igenomeIgnore = true
   genomes_base = params.genome == 'GRCh37' ? '/sw/data/uppnex/ToolBox/ReferenceAssemblies/hg38make/bundle/2.8/b37' : '/sw/data/uppnex/ToolBox/hg38bundle'
 }
+
+def hostname = "hostname".execute().text.trim()
+
 if (hostname ==~ "r.*") {
   params.singleCPUmem = 6400.MB
 }
+
 if (hostname ==~ "i.*") {
   params.singleCPUmem = 15.GB
 }