diff --git a/basty/src/main/scala/nl/lumc/sasc/biopet/pipelines/basty/Basty.scala b/basty/src/main/scala/nl/lumc/sasc/biopet/pipelines/basty/Basty.scala
index 3886e17ca537e3c1d16634924ac174ed83abd2ee..54dd0b1b2ce0261a5beafcb9e2c09f49f59f4f52 100644
--- a/basty/src/main/scala/nl/lumc/sasc/biopet/pipelines/basty/Basty.scala
+++ b/basty/src/main/scala/nl/lumc/sasc/biopet/pipelines/basty/Basty.scala
@@ -21,9 +21,10 @@ package nl.lumc.sasc.biopet.pipelines.basty
 
 import java.io.File
 
+import nl.lumc.sasc.biopet.core.report.ReportBuilderExtension
 import nl.lumc.sasc.biopet.core.{MultiSampleQScript, PipelineCommand}
 import nl.lumc.sasc.biopet.extensions.{Cat, Raxml, RunGubbins}
-import nl.lumc.sasc.biopet.pipelines.shiva.Shiva
+import nl.lumc.sasc.biopet.pipelines.shiva.{Shiva, ShivaReport}
 import nl.lumc.sasc.biopet.extensions.tools.BastyGenerateFasta
 import nl.lumc.sasc.biopet.utils.config.Configurable
 import org.broadinstitute.gatk.queue.QScript
@@ -44,6 +45,8 @@ class Basty(val parent: Configurable) extends QScript with MultiSampleQScript {
 
   val numBoot: Int = config("boot_runs", default = 100, namespace = "raxml").asInt
 
+  val executeGubbins: Boolean = config("execute_gubbins", default = true)
+
   override def defaults = Map(
     "ploidy" -> 1,
     "variantcallers" -> variantcallers
@@ -51,6 +54,13 @@ class Basty(val parent: Configurable) extends QScript with MultiSampleQScript {
 
   lazy val shiva = new Shiva(qscript)
 
+  override def reportClass: Option[ReportBuilderExtension] = {
+    val shiva = new ShivaReport(this)
+    shiva.outputDir = new File(outputDir, "report")
+    shiva.summaryDbFile = summaryDbFile
+    Some(shiva)
+  }
+
   def summaryFiles: Map[String, File] = Map()
 
   def summarySettings: Map[String, Any] = Map("boot_runs" -> numBoot)
@@ -87,17 +97,15 @@ class Basty(val parent: Configurable) extends QScript with MultiSampleQScript {
 
   def init() {
     shiva.outputDir = outputDir
-    shiva.init()
   }
 
   def biopetScript() {
-    shiva.biopetScript()
-    addAll(shiva.functions)
-    addSummaryQScript(shiva)
+    add(shiva)
 
     inputFiles :::= shiva.inputFiles
 
     addSamplesJobs()
+    addSummaryJobs()
   }
 
   def addMultiSampleJobs(): Unit = {
@@ -186,11 +194,13 @@ class Basty(val parent: Configurable) extends QScript with MultiSampleQScript {
       raxmlBi.w = dirSufixRaxml
       add(raxmlBi)
 
-      val gubbins = new RunGubbins(this)
-      gubbins.fastafile = concensusVariants
-      gubbins.startingTree = raxmlBi.getBipartitionsFile
-      gubbins.outputDirectory = dirSufixGubbins
-      add(gubbins)
+      if (executeGubbins) {
+        val gubbins = new RunGubbins(this)
+        gubbins.fastafile = concensusVariants
+        gubbins.startingTree = raxmlBi.getBipartitionsFile
+        gubbins.outputDirectory = dirSufixGubbins
+        add(gubbins)
+      }
     }
 
     addTreeJobs(catVariantsSnps.output,
diff --git a/biopet-core/src/main/scala/nl/lumc/sasc/biopet/core/summary/SummaryQScript.scala b/biopet-core/src/main/scala/nl/lumc/sasc/biopet/core/summary/SummaryQScript.scala
index d885041e6fda49e962f0eec9587f30aa3b78b248..30e0a901fe2e0607fb56d3c12721a82383b09a6b 100644
--- a/biopet-core/src/main/scala/nl/lumc/sasc/biopet/core/summary/SummaryQScript.scala
+++ b/biopet-core/src/main/scala/nl/lumc/sasc/biopet/core/summary/SummaryQScript.scala
@@ -207,15 +207,18 @@ trait SummaryQScript extends BiopetQScript { qscript: QScript =>
     for (inputFile <- inputFiles) {
       inputFile.md5 match {
         case Some(checksum) =>
-          val checkMd5 = new CheckChecksum
-          checkMd5.inputFile = inputFile.file
-          if (!SummaryQScript.md5sumCache.contains(inputFile.file))
-            addChecksum(inputFile.file)
-          checkMd5.checksumFile = SummaryQScript.md5sumCache(inputFile.file)
-          checkMd5.checksum = checksum
-          checkMd5.jobOutputFile = new File(checkMd5.checksumFile.getParentFile,
-                                            checkMd5.checksumFile.getName + ".check.out")
-          add(checkMd5)
+          if (!SummaryQScript.checkChecksumCache.contains(inputFile.file)) {
+            val checkMd5 = new CheckChecksum
+            checkMd5.inputFile = inputFile.file
+            if (!SummaryQScript.md5sumCache.contains(inputFile.file))
+              addChecksum(inputFile.file)
+            checkMd5.checksumFile = SummaryQScript.md5sumCache(inputFile.file)
+            checkMd5.checksum = checksum
+            checkMd5.jobOutputFile = new File(checkMd5.checksumFile.getParentFile,
+                                              checkMd5.checksumFile.getName + ".check.out")
+            add(checkMd5)
+            SummaryQScript.checkChecksumCache.add(inputFile.file)
+          }
         case _ =>
       }
     }
@@ -238,4 +241,5 @@ object SummaryQScript {
 
   /** Cache to have no duplicate jobs */
   protected[summary] val md5sumCache: mutable.Map[File, File] = mutable.Map()
+  protected[summary] val checkChecksumCache: mutable.Set[File] = mutable.Set()
 }