diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 358c01b971db..5320153c311b 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -29,17 +29,17 @@
 #include <linux/ioport.h>	/* for struct resource */
 #include <linux/device.h>
 
-#ifdef	CONFIG_ACPI
-
 #ifndef _LINUX
 #define _LINUX
 #endif
+#include <acpi/acpi.h>
+
+#ifdef	CONFIG_ACPI
 
 #include <linux/list.h>
 #include <linux/mod_devicetable.h>
 #include <linux/dynamic_debug.h>
 
-#include <acpi/acpi.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 #include <acpi/acpi_numa.h>