diff --git a/reactos/dll/3rdparty/libjpeg/libjpeg.rbuild b/reactos/dll/3rdparty/libjpeg/libjpeg.rbuild
index 990e595377f..9749f7ab35e 100644
--- a/reactos/dll/3rdparty/libjpeg/libjpeg.rbuild
+++ b/reactos/dll/3rdparty/libjpeg/libjpeg.rbuild
@@ -1,11 +1,11 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="libjpeg" type="win32dll" entrypoint="0" installbase="system32" installname="libjpeg.dll" allowwarnings="true" crt="msvcrt">
-    <compilerflag compilerset="gcc">-Wno-main</compilerflag>
 	<define name="WIN32" />
 	<define name="_WINDOWS" />
 	<define name="_MBCS" />
 	<define name="JPEG_DLL" />
+	<define name="main">mainptr</define>
 	<include base="libjpeg">.</include>
 	<file>jcapimin.c</file>
 	<file>jcapistd.c</file>