1 files changed, 4 insertions, 2 deletions

diff --git a/sway/layout.c b/sway/layout.c
index 18202cf2..bef1b88d 100644
--- a/sway/layout.c
+++ b/sway/layout.c
@@ -326,8 +326,10 @@ void update_geometry(swayc_t *container) {
                         .y = container->y + (container->is_floating ? 0 : gap / 2)
                 },
                 .size = {
-                        .w = container->width - (container->is_floating ? 0 : gap),
-                        .h = container->height - (container->is_floating ? 0 : gap)
+                        .w = container->width > (container->is_floating ? 0 : gap) ?
+                                container->width - (container->is_floating ? 0 : gap) : 0,
+                        .h = container->height > (container->is_floating ? 0 : gap) ?
+                                container->height - (container->is_floating ? 0 : gap) : 0,
                 }
         };
         if (swayc_is_fullscreen(container)) {