diff --git a/reactos/drivers/lib/csq/csq.xml b/reactos/drivers/lib/csq/csq.xml
index dce463afffd..98d10925d1b 100644
--- a/reactos/drivers/lib/csq/csq.xml
+++ b/reactos/drivers/lib/csq/csq.xml
@@ -1,3 +1,4 @@
 <module name="csq" type="staticlibrary">
+	<define name="__USE_W32API"/>
 	<file>csq.c</file>
 </module>