diff --git a/steps/surl_copy.cwl b/steps/surl_copy.cwl
index 0f660b608fa225b630ec3ee68ed77eb4cb560a8f..ddea033a674f0f606e0f3c15cf81741c2826939a 100644
--- a/steps/surl_copy.cwl
+++ b/steps/surl_copy.cwl
@@ -5,11 +5,13 @@ $namespaces:
 id: surl_copy
 baseCommand:
   - gfal-copy
+arguments: 
+  - .
 inputs:
   - id: surl
     type: string
     inputBinding:
-      position: 0
+      position: -1
 outputs:
   - id: output
     type: File