diff --git a/reactos/services/eventlog/eventlog.xml b/reactos/services/eventlog/eventlog.xml
index e881fb06a05..80e61e18e2b 100644
--- a/reactos/services/eventlog/eventlog.xml
+++ b/reactos/services/eventlog/eventlog.xml
@@ -2,6 +2,7 @@
 	<include base="eventlog">.</include>
 	<define name="UNICODE" />
 	<define name="_UNICODE" />
+	<define name="__USE_W32API" />
 	<library>ntdll</library>
 	<library>kernel32</library>
 	<library>advapi32</library>