diff --git a/steps/fix_weightissue_flagging.cwl b/steps/fix_weightissue_flagging.cwl
index 1d090344524e07eeb7309b2eeb8a62645047f408..641e179768cf7539e5056a654886b6b50ebd65b2 100644
--- a/steps/fix_weightissue_flagging.cwl
+++ b/steps/fix_weightissue_flagging.cwl
@@ -26,7 +26,8 @@ requirements:
 inputs:
   - id: msin
     type: Directory
-
+  - id: apply
+    type: boolean
 outputs:
   - id: msout
     type: Directory