Index: src/bp-templates/bp-nouveau/js/buddypress-activity.js
===================================================================
--- src/bp-templates/bp-nouveau/js/buddypress-activity.js
+++ src/bp-templates/bp-nouveau/js/buddypress-activity.js
@@ -351,7 +351,7 @@
 				} );
 
 				// If all parents are hidden, reveal at least one. It seems very risky to manipulate the DOM to keep exactly 5 comments!
-				if ( $( comment_parents ).children( '.bp-hidden' ).length === $( comment_parents ).children( 'li' ).length - 1 && $( comment_parents ).find( 'li.show-all' ) ) {
+				if ( $( comment_parents ).children( '.bp-hidden' ).length === $( comment_parents ).children( 'li' ).length - 1 && $( comment_parents ).find( 'li.show-all' ).length ) {
 					$( comment_parents ).children( 'li' ).removeClass( 'bp-hidden' ).toggle();
 				}
 			} );