diff --git a/src/main/resources/templates/insertEmployeeInput.html b/src/main/resources/templates/insertEmployeeInput.html
index ff0c02d..a7782f4 100644
--- a/src/main/resources/templates/insertEmployeeInput.html
+++ b/src/main/resources/templates/insertEmployeeInput.html
@@ -59,7 +59,7 @@
             <td>
                 <label>
                     <input maxlength="50"
-                           oninput="convertToKatakana(this)"
+                           onchange="convertToKatakana(this)"
                            placeholder="フリガナ"
                            required="required"
                            th:field="*{knEmployee}"