diff --git src/bp-friends/bp-friends-functions.php src/bp-friends/bp-friends-functions.php
index 0e4a402..b62683b 100644
--- src/bp-friends/bp-friends-functions.php
+++ src/bp-friends/bp-friends-functions.php
@@ -594,7 +594,11 @@ function bp_friends_prime_mentions_results() {
 		$result        = new stdClass();
 		$result->ID    = $user->user_nicename;
 		$result->image = bp_core_fetch_avatar( array( 'html' => false, 'item_id' => $user->ID ) );
-		$result->name  = bp_core_get_user_displayname( $user->ID );
+		$result->name  = $user->user_nicename;
+
+		if ( ! empty( $user->display_name ) ) {
+			$result->name = $user->display_name;
+		}
 
 		$results[] = $result;
 	}
@@ -603,4 +607,4 @@ function bp_friends_prime_mentions_results() {
 		'friends' => $results,
 	) );
 }
-add_action( 'bp_activity_mentions_prime_results', 'bp_friends_prime_mentions_results' );
\ No newline at end of file
+add_action( 'bp_activity_mentions_prime_results', 'bp_friends_prime_mentions_results' );