diff --git a/whipper/common/program.py b/whipper/common/program.py
index 82e0662..73193f4 100644
--- a/whipper/common/program.py
+++ b/whipper/common/program.py
@@ -196,7 +196,7 @@ class Program:
         assert isinstance(outdir, str), "%r is not str" % outdir
         assert isinstance(template, str), "%r is not str" % template
         v = {}
-        v['A'] = 'Unknown Artist'
+        v['S'] = v['A'] = 'Unknown Artist'
         v['I'] = v['d'] = v['D'] = mbdiscid  # fallback for title
         v['r'] = 'unknown'
         v['R'] = 'Unknown'