diff --git a/reactos/drivers/bus/acpi/acpi.xml b/reactos/drivers/bus/acpi/acpi.xml
index 009ffc22f11..f1c193d7ece 100644
--- a/reactos/drivers/bus/acpi/acpi.xml
+++ b/reactos/drivers/bus/acpi/acpi.xml
@@ -1,6 +1,7 @@
 <module name="acpi" type="kernelmodedriver" installbase="system32/drivers" installname="acpi.sys" warnings="true">
 	<include base="acpi">include</include>
 	<include base="acpi">ospm/include</include>
+    <define name="__USE_W32API" />
 	<library>ntoskrnl</library>
 	<library>hal</library>
 	<directory name="dispatcher">
diff --git a/reactos/drivers/bus/acpi/include/acconfig.h b/reactos/drivers/bus/acpi/include/acconfig.h
index ee666ec9907..c31e16f7dd9 100644
--- a/reactos/drivers/bus/acpi/include/acconfig.h
+++ b/reactos/drivers/bus/acpi/include/acconfig.h
@@ -148,6 +148,5 @@
 #define HI_RSDP_WINDOW_SIZE         0x20000
 #define RSDP_SCAN_STEP              16
 
-
 #endif /* _ACCONFIG_H */
 
diff --git a/reactos/drivers/bus/acpi/include/actypes.h b/reactos/drivers/bus/acpi/include/actypes.h
index b0a488d7412..67a45370214 100644
--- a/reactos/drivers/bus/acpi/include/actypes.h
+++ b/reactos/drivers/bus/acpi/include/actypes.h
@@ -156,7 +156,6 @@ typedef char                            NATIVE_CHAR;
 #define ACPI_UINT64_MAX                 (UINT64) 0xFFFFFFFFFFFFFFFF
 #endif
 
-
 #ifdef DEFINE_ALTERNATE_TYPES
 /*
  * Types used only in translated source
diff --git a/reactos/drivers/bus/acpi/include/platform/types.h b/reactos/drivers/bus/acpi/include/platform/types.h
index ea9905bb3b3..952bb543f95 100644
--- a/reactos/drivers/bus/acpi/include/platform/types.h
+++ b/reactos/drivers/bus/acpi/include/platform/types.h
@@ -15,4 +15,8 @@
 
 #include <ddk/ntddk.h>
 
+typedef UCHAR                              UINT8;
+typedef USHORT                             UINT16;
+typedef ULONGLONG                          UINT64;
+
 #endif /* __INCLUDE_ACPI_TYPES_H */
diff --git a/reactos/drivers/bus/acpi/ospm/osl.c b/reactos/drivers/bus/acpi/ospm/osl.c
index 2cbae8ac881..65751b38ae5 100644
--- a/reactos/drivers/bus/acpi/ospm/osl.c
+++ b/reactos/drivers/bus/acpi/ospm/osl.c
@@ -27,6 +27,11 @@
 #define NDEBUG
 #include <debug.h>
 
+/* NDK FIXME */
+NTSTATUS
+STDCALL
+NtVdmControl (ULONG ControlCode, PVOID ControlData);
+
 static PKINTERRUPT AcpiInterrupt;
 static BOOLEAN AcpiInterruptHandlerRegistered = FALSE;
 static OSD_HANDLER AcpiIrqHandler = NULL;