diff --git a/content/challenges/107.md b/content/challenges/107.md
index fb84653..1aba83a 100644
--- a/content/challenges/107.md
+++ b/content/challenges/107.md
@@ -41,7 +41,7 @@ japanese:
         dictionary: 行く
   - - - pos: adjective
         text:
-          - 解
+          - 解: と
           - けない
         dictionary: 解けない問題
       - pos: noun