diff --git a/public/gentrap/src/main/scala/nl/lumc/sasc/biopet/pipelines/gentrap/Gentrap.scala b/public/gentrap/src/main/scala/nl/lumc/sasc/biopet/pipelines/gentrap/Gentrap.scala
index 10a5cd8d0f8ed0c7e52da5583fe4c6b2b129f45b..f2785b6a2766a1fe7ce3e0a106955b1b4f28d151 100644
--- a/public/gentrap/src/main/scala/nl/lumc/sasc/biopet/pipelines/gentrap/Gentrap.scala
+++ b/public/gentrap/src/main/scala/nl/lumc/sasc/biopet/pipelines/gentrap/Gentrap.scala
@@ -112,7 +112,7 @@ class Gentrap(val root: Configurable) extends QScript
       case NonSpecific => "no"
       case Dutp        => "reverse"
       case _           => null
-    }),
+    })),
     "merge_strategy" -> "preprocessmergesam",
     "gsnap" -> Map(
       "novelsplicing" -> 1,