diff --git a/biopet/biopet.wdl b/biopet/biopet.wdl
index 88d9d4919e2dc22e222acfd846ea48dae59b7b02..788e21b50f38254dbea7bba4a1afb28b3ca9ac65 100644
--- a/biopet/biopet.wdl
+++ b/biopet/biopet.wdl
@@ -241,6 +241,8 @@ task ScatterRegions {
         Int? scatterSize
         File? regions
         Boolean notSplitContigs = false
+        File? bamFile
+        File? bamIndex
 
         Int memory = 8
         Float memoryMultiplier = 3.0
@@ -260,6 +262,7 @@ task ScatterRegions {
           -o ~{outputDirPath} \
           ~{"-s " + scatterSize} \
           ~{"-L " + regions} \
+          ~{"--bamFile " + bamFile} \
           ~{true="--notSplitContigs" false="" notSplitContigs}
     }