diff --git a/public/biopet-utils/src/main/scala/nl/lumc/sasc/biopet/utils/rscript/LinePlot.scala b/public/biopet-utils/src/main/scala/nl/lumc/sasc/biopet/utils/rscript/LinePlot.scala
index fb0e2f0a0706a56c6063c2a2fa2dc199bfee573c..1954609198b33dcaa380eaafa3534f463ef43d4c 100644
--- a/public/biopet-utils/src/main/scala/nl/lumc/sasc/biopet/utils/rscript/LinePlot.scala
+++ b/public/biopet-utils/src/main/scala/nl/lumc/sasc/biopet/utils/rscript/LinePlot.scala
@@ -48,5 +48,5 @@ class LinePlot(val root: Configurable) extends Rscript {
     ylabel.map(Seq("--ylabel", _)).getOrElse(Seq()) ++
     llabel.map(Seq("--llabel", _)).getOrElse(Seq()) ++
     title.map(Seq("--title", _)).getOrElse(Seq()) ++
-    (if (removeZero) Seq("--removeZero") else Seq())
+    (if (removeZero) Seq("--removeZero", "true") else Seq())
 }