diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 86c7d5445c38c962614b654a4149eef0ab057869..92a659aa639635534c83580dd35d3cb53edbfcd5 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -33,6 +33,7 @@
 #include <linux/slab.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
+#include <acpi/button.h>
 
 #define PREFIX "ACPI: "