diff --git a/lib/galaxy/managers/interactivetool.py b/lib/galaxy/managers/interactivetool.py
index 971d2bb5f41..3b3849c5e6e 100644
--- a/lib/galaxy/managers/interactivetool.py
+++ b/lib/galaxy/managers/interactivetool.py
@@ -319,8 +319,7 @@ class InteractiveToolManager:
                 rval = f"/{rval}/{entry_point_prefix}/access/{entry_point_class}/{entry_point_encoded_id}/{entry_point.token}/"
         if entry_point.entry_url:
             rval = f"{rval.rstrip('/')}/{entry_point.entry_url.lstrip('/')}"
-        if rval[0] != "/":
-            rval = f"/{rval}"
+        rval = '/' + rval.lstrip('/')
         return rval
 
     def access_entry_point_target(self, trans, entry_point_id):