--- scripts/lilypond-book.py
+++ scripts/lilypond-book.py
@@ -487,7 +487,7 @@
 		 'lilypond-file': '(?m)^(address@hidden)(?P<match>@lilypondfile(\[(?P<options>.*?)\])?{(?P<filename>[^}]+)})',
 		 'lilypond' : '(?m)^(address@hidden)(?P<match>@lilypond(\[(?P<options>.*?)\])?{(?P<code>.*?)})',
 # pyton2.2b2 barfs on this
-		 'lilypond-block': r"""(?m)^(address@hidden)(?P<match>(?s)(?P<match>@lilypond(\[(?P<options>.*?)\])?\s(?P<code>.*?)@end lilypond\s))""",
+		 'lilypond-block': r"""(?m)^(address@hidden)(?P<match1>(?s)(?P<match>@lilypond(\[(?P<options>.*?)\])?\s(?P<code>.*?)@end lilypond\s))""",
 
 # 1.5.2 barfs on this. 
 # 'lilypond-block': r"""(?m)^(address@hidden)(?P<match>@lilypond(\[(?P<options>.*?)\])?\s(?P<code>.*?)@end lilypond\s)""",