diff --git src/bp-templates/bp-nouveau/includes/functions.php src/bp-templates/bp-nouveau/includes/functions.php
index 6b83a12d4..d7cfeb2c7 100644
--- src/bp-templates/bp-nouveau/includes/functions.php
+++ src/bp-templates/bp-nouveau/includes/functions.php
@@ -234,8 +234,11 @@ function bp_nouveau_wrapper( $args = array() ) {
 	* Check the component to find a default container_class to add
 	*/
 	$current_component_class = bp_current_component() . '-meta';
+	
+	// Allow 'home' and 'activity' actions to have a $generic_class of ' activity-meta '.
+	$activity_actions_in_groups = apply_filters('bp_nouveau_groups_activity_actions', array( 'home', 'activity') );
 
-	if ( 'groups' === bp_current_component() && 'activity' === bp_current_action() ) {
+	if ( 'groups' === bp_current_component() && in_array( bp_current_action(), $activity_actions_in_groups )  ) {
 		$generic_class = ' activity-meta ';
 	} else {
 		$generic_class = '';