diff --git a/emacs/sumibi.el b/emacs/sumibi.el
index 794dbc3..dcee252 100644
--- a/emacs/sumibi.el
+++ b/emacs/sumibi.el
@@ -113,7 +113,7 @@
     ("ra" "ら") ("ri" "り") ("ru" "る") ("re" "れ") ("ro" "ろ")
     ("la" "ら") ("li" "り") ("lu" "る") ("le" "れ") ("lo" "ろ")
     ("wa" "わ") ("wi" "ゐ") ("wu" "う") ("we" "ゑ") ("wo" "を")
-    ("n'" "ん")
+    ("n'" "ん") ("nn" "ん")
     ("ga" "が") ("gi" "ぎ") ("gu" "ぐ") ("ge" "げ") ("go" "ご")
     ("za" "ざ") ("zi" "じ") ("zu" "ず") ("ze" "ぜ") ("zo" "ぞ")
     ("da" "だ") ("di" "ぢ") ("du" "づ") ("de" "で") ("do" "ど")