diff --git a/edosl0util/cli/rdrgen.py b/edosl0util/cli/rdrgen.py
index 8d0b876c8bf37b8edb3793bd01bb39be46c70179..6e832443036196a23b9dd3f676c1846f05f9948f 100644
--- a/edosl0util/cli/rdrgen.py
+++ b/edosl0util/cli/rdrgen.py
@@ -27,8 +27,8 @@ def main():
 
     level = args.aggr_level or args.aggr
 
-    if args.sat == 'snpp':
-        args.sat = 'npp'
+    if args.sat == 'npp':
+        args.sat = 'snpp'
 
     if level:
         packets_to_rdrs(