diff --git a/quantum/pointing_device/pointing_device_auto_mouse.c b/quantum/pointing_device/pointing_device_auto_mouse.c
index fc3106e37e..3135b9e531 100644
--- a/quantum/pointing_device/pointing_device_auto_mouse.c
+++ b/quantum/pointing_device/pointing_device_auto_mouse.c
@@ -17,6 +17,7 @@
 
 #ifdef POINTING_DEVICE_AUTO_MOUSE_ENABLE
 
+#    include <string.h>
 #    include "pointing_device_auto_mouse.h"
 #    include "debug.h"
 #    include "action_util.h"