diff --git a/public/biopet-extensions/src/main/scala/nl/lumc/sasc/biopet/extensions/gatk/CatVariants.scala b/public/biopet-extensions/src/main/scala/nl/lumc/sasc/biopet/extensions/gatk/CatVariants.scala
index 9e1138dbb77f4b8ae23abe8945a4cd6efc45c5d1..ceceed5f64ba51a75b098e4cd1b18beaa4f1894d 100644
--- a/public/biopet-extensions/src/main/scala/nl/lumc/sasc/biopet/extensions/gatk/CatVariants.scala
+++ b/public/biopet-extensions/src/main/scala/nl/lumc/sasc/biopet/extensions/gatk/CatVariants.scala
@@ -23,7 +23,7 @@ import org.broadinstitute.gatk.utils.commandline.{ Input, Output }
 
 class CatVariants(val root: Configurable) extends BiopetJavaCommandLineFunction with Reference {
 
-  javaMainClass = classOf[org.broadinstitute.gatk.tools.CatVariants].getClass.getName
+  javaMainClass = classOf[org.broadinstitute.gatk.tools.CatVariants].getName
 
   @Input(required = true)
   var inputFiles: List[File] = Nil