diff --git a/steps/check_ateam_separation.cwl b/steps/check_ateam_separation.cwl
index 1196213bf9fa109205833ab4e85736e8e56bb8cb..a7bcaf7e584454bea1f25d28ae89d4d9ece4a861 100755
--- a/steps/check_ateam_separation.cwl
+++ b/steps/check_ateam_separation.cwl
@@ -22,7 +22,7 @@ inputs:
       position: 2
       prefix: '--outputimage'
   - id: min_separation
-    type: float
+    type: int
     inputBinding:
       position: 1
       prefix: '--min_separation'