diff --git a/src/bp-members/bp-members-template.php b/src/bp-members/bp-members-template.php
index 73fe00e..c72a904 100644
--- a/src/bp-members/bp-members-template.php
+++ b/src/bp-members/bp-members-template.php
@@ -619,10 +619,12 @@ function bp_member_class( $classes = array() ) {
 		 * Filters the determined classes to add to the HTML element.
 		 *
 		 * @since 1.7.0
+		 * @since 2.6.0 Added group ID parameter.
 		 *
 		 * @param string $classes Classes to be added to the HTML element.
+		 * @param int $group_id Group ID.
 		 */
-		$classes = apply_filters( 'bp_get_member_class', $classes );
+		$classes = apply_filters( 'bp_get_member_class', $classes, $members_template->member->id );
 		$classes = array_merge( $classes, array() );
 		$retval  = 'class="' . join( ' ', $classes ) . '"';
 
diff --git a/src/bp-groups/bp-groups-template.php b/src/bp-groups/bp-groups-template.php
index dd454eb..37cd37e 100644
--- a/src/bp-groups/bp-groups-template.php
+++ b/src/bp-groups/bp-groups-template.php
@@ -401,10 +401,12 @@ function bp_group_class( $classes = array() ) {
 		 * Filters classes that will be applied to row class of the current group in the loop.
 		 *
 		 * @since 1.7.0
+		 * @since 2.6.0 Added group ID parameter.
 		 *
 		 * @param array $classes Array of determined classes for the row.
+		 * @param int $group_id Group ID.
 		 */
-		$classes = apply_filters( 'bp_get_group_class', $classes );
+		$classes = apply_filters( 'bp_get_group_class', $classes, $groups_template->group->id );
 		$classes = array_merge( $classes, array() );
 		$retval = 'class="' . join( ' ', $classes ) . '"';