diff --git a/wp-content/plugins/buddypress/bp-core/bp-core-avatars.php b/wp-content/plugins/buddypress/bp-core/bp-core-avatars.php
index 5b6810a..4110ee9 100644
--- a/wp-content/plugins/buddypress/bp-core/bp-core-avatars.php
+++ b/wp-content/plugins/buddypress/bp-core/bp-core-avatars.php
@@ -476,7 +476,7 @@ function bp_core_avatar_handle_crop( $args = '' ) {
  * @param string $alt Alternate text to use in image tag. Defaults to blank
  * @return <type>
  */
-function bp_core_fetch_avatar_filter( $avatar, $user, $size, $default, $alt ) {
+function bp_core_fetch_avatar_filter( $avatar, $user, $size, $default, $alt = '' ) {
 	global $pagenow;
 	
 	// Do not filter if inside WordPress options page
@@ -572,4 +572,4 @@ function bp_core_avatar_url() {
 	return apply_filters( 'bp_core_avatar_url', $upload_dir['baseurl'] );
 }
 
-?>
\ No newline at end of file
+?>