diff --git a/quantum/process_keycode/process_combo.c b/quantum/process_keycode/process_combo.c
index 0d4f4f3dba..64d30fc140 100644
--- a/quantum/process_keycode/process_combo.c
+++ b/quantum/process_keycode/process_combo.c
@@ -19,6 +19,7 @@
 #include "process_auto_shift.h"
 #include "caps_word.h"
 #include "timer.h"
+#include "wait.h"
 #include "keyboard.h"
 #include "keymap_common.h"
 #include "action_layer.h"