diff --git a/dist/embed/iframe.html b/dist/embed/iframe.html
index 0880021dbb..023b4329d2 100644
--- a/dist/embed/iframe.html
+++ b/dist/embed/iframe.html
@@ -15,7 +15,6 @@
 	<body>
 		<script type="text/javascript">
 			let cachedHtml = '';
-			let path = '';
 
 			window.addEventListener('message', e => {
 				if (!e.origin.match(/\/\/localhost:/) && (e.origin !== 'file://')) {
@@ -26,7 +25,7 @@
 				const body = document.body;
 				const { html, js, theme, libs } = e.data;
 
-				loadLibs(path, libs, () => {
+				loadLibs(libs, () => {
 					if (cachedHtml !== html) {
 						body.innerHTML = html;
 						cachedHtml = html;
@@ -56,7 +55,7 @@
 				window.parent.postMessage({ height: document.documentElement.scrollHeight }, '*');
 			};
 
-			function loadLibs (path, list, callBack) {
+			function loadLibs (list, callBack) {
 				if (!list.length) {
 					if (callBack) {
 						callBack();
@@ -71,7 +70,7 @@
 
 				script.onload = function (e) {
 					if (list.length) {
-						loadLibs(path, list, callBack);
+						loadLibs(list, callBack);
 					} else 
 					if (callBack) {
 						callBack();
@@ -79,7 +78,7 @@
 				};
 
 				script.type = 'text/javascript';
-				script.src = path + src;
+				script.src = src;
 			};
 		</script>
 	</body>
diff --git a/src/json/text.json b/src/json/text.json
index 1cab6f3e54..01f8bf0094 100644
--- a/src/json/text.json
+++ b/src/json/text.json
@@ -520,7 +520,7 @@
 	"blockEmbedLatexPlaceholder": "Enter text in format LaTeX",
 	"blockEmbedPlaceholder": "Enter embed code for %s",
 	"blockEmbedLatexTemplate": "Template formula",
-	"blockEmbedLatexEmpty": "Here your equation will be rendered with <span class='icon text'></span>. Click to edit",
+	"blockEmbedLatexEmpty": "Here your equation will be rendered with <span class='icon tex'></span>. Click to edit",
 	"blockEmbedEmpty": "%s embed block is empty. Click to edit.",
 	"blockEmbedSource": "Source",
 
