diff --git a/app/assets/javascripts/mercury/modals/insertmedia.js.coffee b/app/assets/javascripts/mercury/modals/insertmedia.js.coffee
index b743d324..383932f6 100644
--- a/app/assets/javascripts/mercury/modals/insertmedia.js.coffee
+++ b/app/assets/javascripts/mercury/modals/insertmedia.js.coffee
@@ -30,6 +30,7 @@
       @element.find('#media_image_float').val(if image.attr('style')? then image.css('float') else '')
       @element.find('#media_image_width').val(image.width() || '')
       @element.find('#media_image_height').val(image.height() || '')
+      @element.find('#media_image_alt').val(image.attr('alt') || '')
       @focus('#media_image_url')
 
     # if we're editing an iframe (assume it's a video for now)
@@ -105,6 +106,7 @@
         attrs['style'] += 'float: ' + float + '; ' if float = @element.find('#media_image_float').val()
         attrs['style'] += 'width: ' + width + 'px; ' if width = @element.find('#media_image_width').val()
         attrs['style'] += 'height: ' + height + 'px;' if height = @element.find('#media_image_height').val()
+        attrs['alt'] = @element.find('#media_image_alt').val()
         Mercury.trigger('action', {action: 'insertImage', value: attrs})
 
       when 'youtube_url'
diff --git a/app/views/mercury/modals/media.html b/app/views/mercury/modals/media.html
index a81aa8a4..49020a45 100644
--- a/app/views/mercury/modals/media.html
+++ b/app/views/mercury/modals/media.html
@@ -65,10 +65,17 @@
           <div class="controls">
             <input class="number optional" id="media_image_width" name="media[image_width]" size="50" type="number">
           </div>
+
           <label class="number optional control-label" for="media_image_height">Height</label>
           <div class="controls">
             <input class="number optional" id="media_image_height" name="media[image_height]" size="50" type="number">
           </div>
+
+          <label class="number optional control-label" for="media_image_alt">Alt</label>
+          <div class="controls">
+            <input class="text optional" id="media_image_alt" name="media[image_alt]" size="50">
+          </div>
+
         </div>
       </div>
       <div class="media-options" id="youtube_url_options" style="display:none">