diff --git a/public/shiva/src/main/scala/nl/lumc/sasc/biopet/pipelines/shiva/ShivaTrait.scala b/public/shiva/src/main/scala/nl/lumc/sasc/biopet/pipelines/shiva/ShivaTrait.scala
index fbfed09cd1cd3e21d08f6e7ad8f56062bfdbfd09..c896c849e6c6c75a83c6ff1e803467b961955b22 100644
--- a/public/shiva/src/main/scala/nl/lumc/sasc/biopet/pipelines/shiva/ShivaTrait.scala
+++ b/public/shiva/src/main/scala/nl/lumc/sasc/biopet/pipelines/shiva/ShivaTrait.scala
@@ -257,7 +257,7 @@ trait ShivaTrait extends MultiSampleQScript with Reference {
     }).toList)
 
     lazy val variantcalling = if (config("single_sample_variantcalling", default = false).asBoolean) {
-      Some(makeVariantcalling(multisample = true))
+      Some(makeVariantcalling(multisample = false))
     } else None
 
     /** This will add sample jobs */