1 files changed, 4 insertions, 0 deletions

diff --git a/sway/tree/container.c b/sway/tree/container.c
index 2df2332c..92408ce6 100644
--- a/sway/tree/container.c
+++ b/sway/tree/container.c
@@ -1052,6 +1052,10 @@ static struct sway_container *container_floating_find_output(
 
 void container_floating_move_to(struct sway_container *con,
                 double lx, double ly) {
+        if (!sway_assert(container_is_floating(con),
+                        "Expected a floating container")) {
+                return;
+        }
         desktop_damage_whole_container(con);
         container_floating_translate(con, lx - con->x, ly - con->y);
         desktop_damage_whole_container(con);