diff --git a/files/templates/emoji_modal.html b/files/templates/emoji_modal.html
index 229489e24..04714a29f 100644
--- a/files/templates/emoji_modal.html
+++ b/files/templates/emoji_modal.html
@@ -30,7 +30,7 @@
 	function getEmoji(searchTerm, form) {
 		const commentBox = document.getElementById(form);
 		const old = commentBox.value;
-		const curPos = commentBox.data(TEXTAREA_POS);
+		const curPos = commentBox.getAttribute('data-' + TEXTAREA_POS);
 
 		const firstHalf = old.slice(0, curPos)
 		const lastHalf = old.slice(curPos)
@@ -48,7 +48,7 @@
 
 		const newPos = curPos + emoji.length
 
-		commentBox.data(TEXTAREA_POS, newPos)
+		commentBox.setAttribute('data-' + TEXTAREA_POS, newPos);
 	}
 
 	function loadEmojis(form) {
@@ -92,7 +92,7 @@
 			container.innerHTML = container.innerHTML.replace(/@form@/g, form)
 
 			const commentBox = document.getElementById(form);
-			commentBox.data(TEXTAREA_POS, commentBox.selectionStart)
+			commentBox.setAttribute('data-' + TEXTAREA_POS, commentBox.selectionStart);
 
 			for (i=0; i < emojis.length; i++) {