1 files changed, 1 insertions, 1 deletions

diff --git a/include/sway/tree/container.h b/include/sway/tree/container.h
index c51425c9..6efecf7c 100644
--- a/include/sway/tree/container.h
+++ b/include/sway/tree/container.h
@@ -279,7 +279,7 @@ void container_insert_child(struct sway_container *parent,
                 struct sway_container *child, int i);
 
 void container_add_sibling(struct sway_container *parent,
-                struct sway_container *child, int offset);
+                struct sway_container *child);
 
 void container_detach(struct sway_container *child);