diff --git a/public/biopet-framework/src/main/scala/nl/lumc/sasc/biopet/extensions/bedtools/BedtoolsCoverage.scala b/public/biopet-framework/src/main/scala/nl/lumc/sasc/biopet/extensions/bedtools/BedtoolsCoverage.scala
index 9a4e43f41d51dcac0bb9fa6d4221f68bcb33dc01..caab2715ee7d859f809adcbf770b52e24818783e 100644
--- a/public/biopet-framework/src/main/scala/nl/lumc/sasc/biopet/extensions/bedtools/BedtoolsCoverage.scala
+++ b/public/biopet-framework/src/main/scala/nl/lumc/sasc/biopet/extensions/bedtools/BedtoolsCoverage.scala
@@ -46,6 +46,8 @@ class BedtoolsCoverage(val root: Configurable) extends Bedtools {
     if (input.getName.endsWith(".bam")) inputTag = "-abam"
   }
 
+  override val defaultVmem = "6G"
+
   /** Returns command to execute */
   def cmdLine = required(executable) + required("coverage") +
     required(inputTag, input) +