diff --git a/stimela/cargo/cab/rfinder/src/run.py b/stimela/cargo/cab/rfinder/src/run.py
index <HASH>..<HASH> 100644
--- a/stimela/cargo/cab/rfinder/src/run.py
+++ b/stimela/cargo/cab/rfinder/src/run.py
@@ -32,11 +32,8 @@ for param in cab['parameters']:
     if value is None:
         continue
 
-    msnames = []
     if name == 'msname':
-        for ms in value:
-            msnames.append(ms.split('/')[-1])
-        list_doc['general']['msname'] = msnames
+        list_doc['general']['msname'] = value.split('/')[-1]
         continue
 
     for key, val in list_doc.items():
get the msname with no path