diff --git a/phpBB/styles/prosilver/template/posting_buttons.html b/phpBB/styles/prosilver/template/posting_buttons.html
index bfee4f8646..4a2a5e0a28 100644
--- a/phpBB/styles/prosilver/template/posting_buttons.html
+++ b/phpBB/styles/prosilver/template/posting_buttons.html
@@ -97,11 +97,11 @@
 
 	<!-- BEGIN custom_tags -->
 	<button type="button" class="button button-secondary bbcode-{custom_tags.BBCODE_TAG_CLEAN}" name="addbbcode{custom_tags.BBCODE_ID}" value="{custom_tags.BBCODE_TAG}" onclick="bbstyle({custom_tags.BBCODE_ID})" title="{{ custom_tags.BBCODE_HELPLINE }}">
-		<!-- IF custom_tags.BBCODE_FONT_ICON != '' -->
+		{% if custom_tags.BBCODE_FONT_ICON != '' %}
 			<i class="icon fa-{custom_tags.BBCODE_FONT_ICON} fa-fw" aria-hidden="true"></i>
-		<!-- ELSE -->
+		{% else %}
 			{custom_tags.BBCODE_TAG}
-		<!-- ENDIF -->
+		{% endif %}
 	</button>
 	<!-- END custom_tags -->
 </div>