[fix] handle auto layout of empty container

1 files changed, 2 insertions, 1 deletions

diff --git a/sway/layout.c b/sway/layout.c
index e3de3354..5e144cd8 100644
--- a/sway/layout.c
+++ b/sway/layout.c
@@ -1615,7 +1615,8 @@ size_t auto_slave_group_count(const swayc_t *container) {
  * Return the combined number of master and slave groups in the container.
  */
 size_t auto_group_count(const swayc_t *container) {
-	return auto_slave_group_count(container) + (container->nb_master ? 1 : 0);
+	return auto_slave_group_count(container)
+		+ (container->children->length && container->nb_master ? 1 : 0);
 }
 
 /**