diff --git a/sway/commands/input/xkb_switch_layout.c b/sway/commands/input/xkb_switch_layout.c
index d6548a68..3be37daf 100644
--- a/sway/commands/input/xkb_switch_layout.c
+++ b/sway/commands/input/xkb_switch_layout.c
@@ -1,5 +1,6 @@
 #define _POSIX_C_SOURCE 200809L
 #include <assert.h>
+#include <wlr/interfaces/wlr_keyboard.h>
 #include "sway/config.h"
 #include "sway/commands.h"
 #include "sway/input/input-manager.h"