diff --git a/templates/post_reply.html b/templates/post_reply.html
index 28cbd7f8..a1feb005 100644
--- a/templates/post_reply.html
+++ b/templates/post_reply.html
@@ -31,7 +31,7 @@
 		{% if config.display_flags and post.modifiers.flag %}
 			 <img class="flag" src="{{ config.uri_flags|sprintf(post.modifiers.flag) }}"
 			 	style="{% if post.modifiers['flag style'] %}{{ post.modifiers['flag style'] }}{% else %}{{ config.flag_style }}{% endif %}"
-			 {% if post.modifiers['flag alt'] %}title="{{ post.modifiers['flag alt'] | e('html_attr') }}"{% endif %}>
+			 {% if post.modifiers['flag alt'] %}alt="{{ post.modifiers['flag alt'] | e('html_attr') }}" title="{{ post.modifiers['flag alt'] | e('html_attr') }}"{% endif %}>
 		{% endif %}
 		 <time datetime="{{ post.time|date('%Y-%m-%dT%H:%M:%S') }}{{ timezone() }}">{{ post.time|date(config.post_date) }}</time>
 	</label>
diff --git a/templates/post_thread.html b/templates/post_thread.html
index 0ee3f6fa..5910bb74 100644
--- a/templates/post_thread.html
+++ b/templates/post_thread.html
@@ -85,7 +85,7 @@
 		{% if config.display_flags and post.modifiers.flag %}
 			 <img class="flag" src="{{ config.uri_flags|sprintf(post.modifiers.flag) }}"
 			 	style="{% if post.modifiers['flag style'] %}{{ post.modifiers['flag style'] }}{% else %}{{ config.flag_style }}{% endif %}"
-			 {% if post.modifiers['flag alt'] %}title="{{ post.modifiers['flag alt'] | e('html_attr') }}"{% endif %}>
+			 {% if post.modifiers['flag alt'] %}alt="{{ post.modifiers['flag alt'] | e('html_attr') }}" title="{{ post.modifiers['flag alt'] | e('html_attr') }}"{% endif %}>
 		{% endif %}
 		 <time datetime="{{ post.time|date('%Y-%m-%dT%H:%M:%S') }}{{ timezone() }}">{{ post.time|date(config.post_date) }}</time>
 	</label>