diff --git a/phpBB/adm/style/acp_avatar_options_gravatar.html b/phpBB/adm/style/acp_avatar_options_gravatar.html
index dbe9891e19..d5906ba87d 100644
--- a/phpBB/adm/style/acp_avatar_options_gravatar.html
+++ b/phpBB/adm/style/acp_avatar_options_gravatar.html
@@ -5,7 +5,7 @@
 <dl>
 	<dt><label for="avatar_gravatar_width">{L_GRAVATAR_AVATAR_SIZE}{L_COLON}</label><br /><span>{L_GRAVATAR_AVATAR_SIZE_EXPLAIN}</span></dt>
 	<dd>
-		<input type="number" name="avatar_gravatar_width" id="avatar_gravatar_width" min="0" max="999" value="{AVATAR_GRAVATAR_WIDTH}" class="inputbox autowidth" /> {L_PIXEL} &times;&nbsp;
-		<input type="number" name="avatar_gravatar_height" id="avatar_gravatar_height" min="0" max="999" value="{AVATAR_GRAVATAR_HEIGHT}" class="inputbox autowidth" /> {L_PIXEL}
+		<input type="number" name="avatar_gravatar_width" id="avatar_gravatar_width" min="{AVATAR_MIN_WIDTH}" max="{AVATAR_MAX_WIDTH}" value="{AVATAR_GRAVATAR_WIDTH}" class="inputbox autowidth" /> {L_PIXEL} &times;&nbsp;
+		<input type="number" name="avatar_gravatar_height" id="avatar_gravatar_height" min="{AVATAR_MIN_HEIGHT}" max="{AVATAR_MAX_HEIGHT}" value="{AVATAR_GRAVATAR_HEIGHT}" class="inputbox autowidth" /> {L_PIXEL}
 	</dd>
 </dl>
diff --git a/phpBB/adm/style/acp_avatar_options_remote.html b/phpBB/adm/style/acp_avatar_options_remote.html
index 3b514620b4..e64d13686c 100644
--- a/phpBB/adm/style/acp_avatar_options_remote.html
+++ b/phpBB/adm/style/acp_avatar_options_remote.html
@@ -5,7 +5,7 @@
 <dl>
 	<dt><label for="avatar_remote_width">{L_LINK_REMOTE_SIZE}{L_COLON}</label><br /><span>{L_LINK_REMOTE_SIZE_EXPLAIN}</span></dt>
 	<dd>
-		<input type="number" name="avatar_remote_width" id="avatar_remote_width" min="0" max="999" value="{AVATAR_REMOTE_WIDTH}" class="inputbox autowidth" /> {L_PIXEL} &times;&nbsp;
-		<input type="number" name="avatar_remote_height" id="avatar_remote_height" min="0" max="999" value="{AVATAR_REMOTE_HEIGHT}" class="inputbox autowidth" /> {L_PIXEL}
+		<input type="number" name="avatar_remote_width" id="avatar_remote_width" min="{AVATAR_MIN_WIDTH}" max="{AVATAR_MAX_WIDTH}" value="{AVATAR_REMOTE_WIDTH}" class="inputbox autowidth" /> {L_PIXEL} &times;&nbsp;
+		<input type="number" name="avatar_remote_height" id="avatar_remote_height" min="{AVATAR_MIN_HEIGHT}" max="{AVATAR_MAX_HEIGHT}" value="{AVATAR_REMOTE_HEIGHT}" class="inputbox autowidth" /> {L_PIXEL}
 	</dd>
 </dl>
diff --git a/phpBB/includes/acp/acp_groups.php b/phpBB/includes/acp/acp_groups.php
index 69d59229ca..7c7cc50c57 100644
--- a/phpBB/includes/acp/acp_groups.php
+++ b/phpBB/includes/acp/acp_groups.php
@@ -669,6 +669,14 @@ class acp_groups
 					$avatars_enabled = false;
 					$selected_driver = $phpbb_avatar_manager->clean_driver_name($request->variable('avatar_driver', $avatar_data['avatar_type']));
 
+					// Assign min and max values before generating avatar driver html
+					$template->assign_vars(array(
+							'AVATAR_MIN_WIDTH'		=> $config['avatar_min_width'],
+							'AVATAR_MAX_WIDTH'		=> $config['avatar_max_width'],
+							'AVATAR_MIN_HEIGHT'		=> $config['avatar_min_height'],
+							'AVATAR_MAX_HEIGHT'		=> $config['avatar_max_height'],
+					));
+
 					foreach ($avatar_drivers as $current_driver)
 					{
 						$driver = $phpbb_avatar_manager->get_driver($current_driver);
diff --git a/phpBB/includes/acp/acp_users.php b/phpBB/includes/acp/acp_users.php
index febdcb93ed..4dcf70010c 100644
--- a/phpBB/includes/acp/acp_users.php
+++ b/phpBB/includes/acp/acp_users.php
@@ -1874,6 +1874,14 @@ class acp_users
 
 					$selected_driver = $phpbb_avatar_manager->clean_driver_name($request->variable('avatar_driver', $user_row['user_avatar_type']));
 
+					// Assign min and max values before generating avatar driver html
+					$template->assign_vars(array(
+						'AVATAR_MIN_WIDTH'		=> $config['avatar_min_width'],
+						'AVATAR_MAX_WIDTH'		=> $config['avatar_max_width'],
+						'AVATAR_MIN_HEIGHT'		=> $config['avatar_min_height'],
+						'AVATAR_MAX_HEIGHT'		=> $config['avatar_max_height'],
+					));
+
 					foreach ($avatar_drivers as $current_driver)
 					{
 						$driver = $phpbb_avatar_manager->get_driver($current_driver);
diff --git a/phpBB/includes/ucp/ucp_groups.php b/phpBB/includes/ucp/ucp_groups.php
index b2b1da1f5a..86a8226d5b 100644
--- a/phpBB/includes/ucp/ucp_groups.php
+++ b/phpBB/includes/ucp/ucp_groups.php
@@ -651,6 +651,14 @@ class ucp_groups
 							$avatars_enabled = false;
 							$selected_driver = $phpbb_avatar_manager->clean_driver_name($request->variable('avatar_driver', $avatar_data['avatar_type']));
 
+							// Assign min and max values before generating avatar driver html
+							$template->assign_vars(array(
+									'AVATAR_MIN_WIDTH'		=> $config['avatar_min_width'],
+									'AVATAR_MAX_WIDTH'		=> $config['avatar_max_width'],
+									'AVATAR_MIN_HEIGHT'		=> $config['avatar_min_height'],
+									'AVATAR_MAX_HEIGHT'		=> $config['avatar_max_height'],
+							));
+
 							foreach ($avatar_drivers as $current_driver)
 							{
 								$driver = $phpbb_avatar_manager->get_driver($current_driver);