diff --git a/public/bam2wig/src/main/scala/nl/lumc/sasc/biopet/pipelines/bamtobigwig/Bam2Wig.scala b/public/bam2wig/src/main/scala/nl/lumc/sasc/biopet/pipelines/bamtobigwig/Bam2Wig.scala
index 8c1f543bf551d7b828bf17ea4afda47c1bf036dd..4b43bd5fd1a88d5e8ba39fe6ad012d43bc303a6a 100644
--- a/public/bam2wig/src/main/scala/nl/lumc/sasc/biopet/pipelines/bamtobigwig/Bam2Wig.scala
+++ b/public/bam2wig/src/main/scala/nl/lumc/sasc/biopet/pipelines/bamtobigwig/Bam2Wig.scala
@@ -38,7 +38,7 @@ class Bam2Wig(val root: Configurable) extends QScript with BiopetQScript {
     val wigToBigWig = new WigToBigWig(this)
     wigToBigWig.inputWigFile = igvCount.wig.get
     wigToBigWig.inputChromSizesFile = bs.chromSizesFile
-    wigToBigWig.outputBigWig = swapExt(outputDir, bamFile, ".bam", ".bigwig")
+    wigToBigWig.outputBigWig = swapExt(outputDir, bamFile, ".bam", ".bw")
     add(wigToBigWig)
   }
 }