diff --git a/files/routes/posts.py b/files/routes/posts.py
index 89caa84b9..a06f03f1a 100644
--- a/files/routes/posts.py
+++ b/files/routes/posts.py
@@ -735,7 +735,7 @@ def submit_post(v):
 	options = []
 	for i in re.finditer('\s*\$([^\$]+)\$\s*', body):
 		options.append(i.group(1))
-		body.replace(i.group(0), "")
+		body = body.replace(i.group(0), "")
 
 	body_md = CustomRenderer().render(mistletoe.Document(body))
 	body_html = sanitize(body_md)
diff --git a/files/templates/submission.html b/files/templates/submission.html
index abcad2943..24e3b8682 100644
--- a/files/templates/submission.html
+++ b/files/templates/submission.html
@@ -360,8 +360,8 @@
 
 							{% for c in p.options %}
 								<div class="custom-control">
-									<input type="checkbox" class="custom-control-input" id="{{c.id}}" name="option" {% if c.poll_voted(v) %}checked{% endif %} onchange="post('/vote/comment/<comment_id>/?vote=' + document.getElementById('{{c.id}}').checked);">
-									<label class="custom-control-label" for="{{c.id}}">{{c.body}} - <a href="/votes?link=t3_{{c.id}}">{c.upvotes} votes</a></label>
+									<input type="checkbox" class="custom-control-input" id="{{c.id}}" name="option" {% if c.poll_voted(v) %}checked{% endif %} onchange="post('/vote/comment/{{c.id}}/?vote=' + document.getElementById('{{c.id}}').checked);">
+									<label class="custom-control-label" for="{{c.id}}">{{c.body}} - <a href="/votes?link=t3_{{c.id}}">{{c.upvotes}} votes</a></label>
 								</div>
 							{% endfor %}