diff --git src/bp-templates/bp-legacy/js/buddypress.js src/bp-templates/bp-legacy/js/buddypress.js
index 57c0392..b6f71c4 100644
--- src/bp-templates/bp-legacy/js/buddypress.js
+++ src/bp-templates/bp-legacy/js/buddypress.js
@@ -1829,6 +1829,16 @@ function bp_filter_request( object, filter, scope, target, search_terms, page, e
 
 /* Activity Loop Requesting */
 function bp_activity_request(scope, filter) {
+	if ( null === scope ) {
+		// Defaults to all scope
+		scope = 'all';
+
+		// Keep the current scope if not null
+		if ( null !== jq.cookie( 'bp-activity-scope' ) ) {
+			scope = jq.cookie( 'bp-activity-scope' );
+		}
+	}
+
 	/* Save the type and filter to a session cookie */
 	jq.cookie( 'bp-activity-scope', scope, {
 		path: '/'