diff --git a/verses_with_chords.ly b/verses_with_chords.ly
index eaef1b3..c1b8344 100644
--- a/verses_with_chords.ly
+++ b/verses_with_chords.ly
@@ -114,7 +114,7 @@
           (make-custom-linebreaks
             (cdr break-words)
             (ly:regex-replace
-              (ly:make-regex (string-append "(" (ly:regex-replace (ly:make-regex "(.)") (car break-words) "(?:\\(?" 1 "| *,[^,)]+\\)" 1 ")") "(?: *,[^,)]+\\))?)(.*)$"))
+              (ly:make-regex (string-append "(" (ly:regex-replace (ly:make-regex "(.)") (car break-words) "(?: *,[^,)]+\\)" 1 "|\\(?" 1 ")") "(?: *,[^,)]+\\))?)(.*)$"))
               newtext
               1 "\n" 2))))))