diff --git a/bcftools.wdl b/bcftools.wdl
index d0837ec87358f91560440a172cf994e50726ba7d..866a31016c7887c4d3cfe09bacb948a8d2d8eca8 100644
--- a/bcftools.wdl
+++ b/bcftools.wdl
@@ -25,7 +25,7 @@ version 1.0
 task Bcf2Vcf {
     input {
         File bcf
-        String outputPath
+        String outputPath = "./bcftools/SV.vcf"
         String dockerImage = "quay.io/biocontainers/bcftools:1.9--ha228f0b_3"
     }
 
diff --git a/clever.wdl b/clever.wdl
index 3e7241e10ddca152ec11302fe53031e39bd2377f..ca28336ed80566fe3a629566a968c51cde4c2a6d 100644
--- a/clever.wdl
+++ b/clever.wdl
@@ -30,7 +30,7 @@ task Mateclever {
         File indexedFiteredBam
         BwaIndex bwaIndex
         File predictions
-        String outputPath
+        String outputPath = "./clever"
         Int cleverMaxDelLength = 100000
         Int maxLengthDiff= 30
         Int maxOffset = 150
@@ -84,7 +84,7 @@ task Prediction {
         File bamFile
         File bamIndex
         BwaIndex bwaIndex
-        String outputPath
+        String outputPath = "./clever"
 
         Int threads = 10
         String memory = "15G"
diff --git a/delly.wdl b/delly.wdl
index 675a07103e5aba524302b982f3d1f18518cd222d..fab0637156402bf9198068bd7913f8c1d0f7c348 100644
--- a/delly.wdl
+++ b/delly.wdl
@@ -28,7 +28,7 @@ task CallSV {
         File bamIndex
         File referenceFasta
         File referenceFastaFai
-        String outputPath
+        String outputPath = "./delly/delly.vcf"
 
         String memory = "15G"
         String dockerImage = "quay.io/biocontainers/delly:0.8.1--h4037b6b_1"
diff --git a/manta.wdl b/manta.wdl
index b7fbc4e157e3ca33314cba3c18c1a7dfffa53a73..cd869bb19bb518306071b78506ff6715fd41c919 100644
--- a/manta.wdl
+++ b/manta.wdl
@@ -26,7 +26,7 @@ task Germline {
         File bamIndex
         File referenceFasta
         File referenceFastaFai
-        String runDir
+        String runDir = "./manta_run"
         File? callRegions
         File? callRegionsIndex
         Boolean exome = false
diff --git a/picard.wdl b/picard.wdl
index 4b07f526469321781442a386f3fa9eb1b69a67d7..88ea3a2e88e5fa8ee5eb6e2f4f44bbb1716790a7 100644
--- a/picard.wdl
+++ b/picard.wdl
@@ -642,9 +642,8 @@ task SortVcf {
 task RenameSample {
     input {
         File inputVcf
-        String outputPath
+        String outputPath = "./picard/renamed.vcf"
         String newSampleName
-
         String memory = "24G"
         String javaXmx = "8G"
         String dockerImage = "quay.io/biocontainers/picard:2.19.0--0"
diff --git a/survivor.wdl b/survivor.wdl
index fba613ecdc44dc61b923ba7348ba2c723251ebd1..15bff093aecab510b13a76ee3f7c92d398796666 100644
--- a/survivor.wdl
+++ b/survivor.wdl
@@ -31,7 +31,7 @@ task Merge {
         Int strandType = 1
         Int distanceBySvSize = 0
         Int minSize = 30
-        String outputPath
+        String outputPath = "./survivor/merged.vcf"
         String memory = "24G"
         String dockerImage = "quay.io/biocontainers/survivor:1.0.6--h6bb024c_0"
     }