diff --git a/workflows/process_ddf.cwl b/workflows/process_ddf.cwl
index 46d8a223eecb5521e84b1fa4dc9f7b603f428e82..f05747bc8da3dd5e4991ca50c2638d6dd0f88130 100644
--- a/workflows/process_ddf.cwl
+++ b/workflows/process_ddf.cwl
@@ -128,4 +128,5 @@ requirements:
   - class: ScatterFeatureRequirement
   - class: StepInputExpressionRequirement
   - class: SubworkflowFeatureRequirement
+  - class: InlineJavascriptRequirement
 
diff --git a/workflows/subworkflows/subtract_lotss.cwl b/workflows/subworkflows/subtract_lotss.cwl
index 8a5e55d30e6fa480d368ec5ccde5c5348b13ab5d..a400bf9c1dc1540eba40baa402e135b27897438d 100644
--- a/workflows/subworkflows/subtract_lotss.cwl
+++ b/workflows/subworkflows/subtract_lotss.cwl
@@ -141,4 +141,5 @@ steps:
 requirements:
   - class: ScatterFeatureRequirement
   - class: StepInputExpressionRequirement
+  - class: InlineJavascriptRequirement