diff --git a/phpBB/includes/ucp/ucp_groups.php b/phpBB/includes/ucp/ucp_groups.php
index 352b7d1ec3..0d3d16065b 100644
--- a/phpBB/includes/ucp/ucp_groups.php
+++ b/phpBB/includes/ucp/ucp_groups.php
@@ -434,8 +434,8 @@ class ucp_groups
 						'GROUP_DESC_DISP'		=> generate_text_for_display($group_row['group_desc'], $group_row['group_desc_uid'], $group_row['group_desc_bitfield'], $group_row['group_desc_options']),
 						'GROUP_TYPE'			=> $group_row['group_type'],
 
-						'AVATAR'				=> (empty($avatar) ? '<img src="' . $phpbb_admin_path . 'images/no_avatar.gif" alt="" />' : $avatar),
-						'AVATAR_IMAGE'			=> (empty($avatar) ? '<img src="' . $phpbb_admin_path . 'images/no_avatar.gif" alt="" />' : $avatar),
+						'AVATAR'				=> (empty($avatar) ? '<img class="avatar" src="' . $phpbb_admin_path . 'images/no_avatar.gif" alt="" />' : $avatar),
+						'AVATAR_IMAGE'			=> (empty($avatar) ? '<img class="avatar" src="' . $phpbb_admin_path . 'images/no_avatar.gif" alt="" />' : $avatar),
 						'AVATAR_WIDTH'			=> (isset($group_row['group_avatar_width'])) ? $group_row['group_avatar_width'] : '',
 						'AVATAR_HEIGHT'			=> (isset($group_row['group_avatar_height'])) ? $group_row['group_avatar_height'] : '',
 					));
diff --git a/phpBB/phpbb/avatar/driver/gravatar.php b/phpBB/phpbb/avatar/driver/gravatar.php
index 3e4e7ff98b..cbd8da90e2 100644
--- a/phpBB/phpbb/avatar/driver/gravatar.php
+++ b/phpBB/phpbb/avatar/driver/gravatar.php
@@ -40,7 +40,7 @@ class gravatar extends \phpbb\avatar\driver\driver
 	*/
 	public function get_custom_html($user, $row, $alt = '')
 	{
-		return '<img src="' . $this->get_gravatar_url($row) . '" ' .
+		return '<img class="gravatar" src="' . $this->get_gravatar_url($row) . '" ' .
 			($row['avatar_width'] ? ('width="' . $row['avatar_width'] . '" ') : '') .
 			($row['avatar_height'] ? ('height="' . $row['avatar_height'] . '" ') : '') .
 			'alt="' . ((!empty($user->lang[$alt])) ? $user->lang[$alt] : $alt) . '" />';
diff --git a/phpBB/styles/prosilver/template/notification_dropdown.html b/phpBB/styles/prosilver/template/notification_dropdown.html
index 43c4077824..8eb6e5e7ab 100644
--- a/phpBB/styles/prosilver/template/notification_dropdown.html
+++ b/phpBB/styles/prosilver/template/notification_dropdown.html
@@ -22,7 +22,7 @@
 					<!-- IF notifications.URL -->
 						<a class="notification-block" href="<!-- IF notifications.UNREAD -->{notifications.U_MARK_READ}" data-real-url="{notifications.URL}<!-- ELSE -->{notifications.URL}<!-- ENDIF -->">
 					<!-- ENDIF -->
-						<!-- IF notifications.AVATAR -->{notifications.AVATAR}<!-- ELSE --><img class="notification-avatar" src="{T_THEME_PATH}/images/no_avatar.gif" alt="" /><!-- ENDIF -->
+						<!-- IF notifications.AVATAR -->{notifications.AVATAR}<!-- ELSE --><img class="avatar notification-avatar" src="{T_THEME_PATH}/images/no_avatar.gif" alt="" /><!-- ENDIF -->
 						<div class="notification-text">
 							<p class="notification-title">{notifications.FORMATTED_TITLE}</p>
 							<!-- IF notifications.REFERENCE --><p class="notification-reference">{notifications.REFERENCE}</p><!-- ENDIF -->
diff --git a/phpBB/styles/prosilver/theme/common.css b/phpBB/styles/prosilver/theme/common.css
index d1335314ab..af70f64cce 100644
--- a/phpBB/styles/prosilver/theme/common.css
+++ b/phpBB/styles/prosilver/theme/common.css
@@ -1287,7 +1287,9 @@ ul.linklist:after,
 	display: block;
 }
 
-.notification-avatar {
+.notification-avatar,
+.notification-menu .notification-list .notification-item .avatar,
+.notification-menu .notification-list .notification-item .gravatar {
 	float: left;
 	width: auto !important;
 	max-width: 50px;