diff --git a/reactos/lib/kernel32/tests/kernel32.xml b/reactos/lib/kernel32/tests/kernel32.xml
index 0478b0fef8b..052b373180f 100644
--- a/reactos/lib/kernel32/tests/kernel32.xml
+++ b/reactos/lib/kernel32/tests/kernel32.xml
@@ -1,5 +1,6 @@
 <module name="kernel32_test" type="test">
 	<include base="rtshared">.</include>
+	<define name="__USE_W32API" />
 	<define name="_DISABLE_TIDENTS" />
 	<define name="_SEH_NO_NATIVE_NLG" />
 	<define name="WINVER">0x0500</define>