Index: src/bp-templates/bp-nouveau/includes/functions.php
===================================================================
--- src/bp-templates/bp-nouveau/includes/functions.php	(revision 12946)
+++ src/bp-templates/bp-nouveau/includes/functions.php	(working copy)
@@ -130,7 +130,7 @@
 	}
 
 	// Single activity.
-	if ( bp_is_single_activity() ) {
+	if ( bp_is_single_activity() && 'activity' === $object ) {
 		$qs = array(
 			'display_comments=threaded',
 			'show_hidden=true',