diff --git a/app/js/ui/settings.js b/app/js/ui/settings.js
index 8cfc0e25..c2caf3bc 100644
--- a/app/js/ui/settings.js
+++ b/app/js/ui/settings.js
@@ -71,7 +71,7 @@ var postView = new Vue({
 //設定ボタン押した。
 function settings() {
 	var cd = $("[name=theme]:checked").val();
-	var ct = $("[for=" + cd + "]").html();
+	var ct = $("[data-ct=" + cd + "]").html();
 	if (cd == "custom" && !$("#custom-sel-sel").val()) {
 		var theme = localStorage.getItem("theme");
 		if (!theme) {
diff --git a/app/view/make/setting.sample.html b/app/view/make/setting.sample.html
index 0c24b5be..255de926 100644
--- a/app/view/make/setting.sample.html
+++ b/app/view/make/setting.sample.html
@@ -108,33 +108,33 @@
 				<h4>@@themeSel@@</h4>
 				<label>
 					<input class="with-gap" onchange="settings()" name="theme" type="radio" id="black" value="black" />
-					<span>Black</span>
+					<span data-ct="black">Black</span>
 				</label>
 				<label>
 					<input class="with-gap" onchange="settings()" name="theme" type="radio" id="white" value="white" />
-					<span>White</span>
+					<span data-ct="white">White</span>
 				</label>
 				<label>
 					<input class="with-gap" onchange="settings()" name="theme" type="radio" id="indigo"
 						value="indigo" />
-					<span>Indigo<span class="imas hide">(エンドレスナイト)</span></span>
+					<span data-ct="indigo">Indigo<span class="imas hide">(エンドレスナイト)</span></span>
 				</label>
 				<label>
 					<input class="with-gap" onchange="settings()" name="theme" type="radio" id="brown" value="brown" />
-					<span>Brown<span class="imas hide">(ビタースイート・タイム)</span></span>
+					<span data-ct="brown">Brown<span class="imas hide">(ビタースイート・タイム)</span></span>
 				</label>
 				<label>
 					<input class="with-gap" onchange="settings()" name="theme" type="radio" id="green" value="green" />
-					<span>Green<span class="imas hide">(ユースフルロマンス)</span></span>
+					<span data-ct="green">Green<span class="imas hide">(ユースフルロマンス)</span></span>
 				</label>
 				<label>
 					<input class="with-gap" onchange="settings()" name="theme" type="radio" id="blue" value="blue" />
-					<span>Blue<span class="imas hide">(渚の花嫁)</span></span>
+					<span data-ct="blue">Blue<span class="imas hide">(渚の花嫁)</span></span>
 				</label>
 				<label>
 					<input class="with-gap" onchange="settings()" name="theme" type="radio" id="custom"
 						value="custom" />
-					<span>custom</span>
+					<span data-ct="custom">custom</span>
 				</label>
 				<div style="width:300px" id="sel-selector">
 					<select id="custom-sel-sel" class="custom-sel" onchange="customSel()"></select>