diff --git a/reactos/lib/3rdparty/mingw/mingw.rbuild b/reactos/lib/3rdparty/mingw/mingw.rbuild
index c0d8bbfb298..5ff3c242f53 100644
--- a/reactos/lib/3rdparty/mingw/mingw.rbuild
+++ b/reactos/lib/3rdparty/mingw/mingw.rbuild
@@ -25,10 +25,9 @@
 	<file>crt0_c.c</file>
 	<file>crtexe.c</file>
 </module>
-<module name="mingw_wmain" type="staticlibrary" isstartuplib="true" allowwarnings="true">
+<module name="mingw_wmain" type="staticlibrary" isstartuplib="true" allowwarnings="true" unicode="yes">
 	<include base="mingw_common">include</include>
 	<define name="WPRFLAG"/>
-	<define name="UNICODE"/>
 	<file>crt0_w.c</file>
 	<file>crtexe.c</file>
 </module>