diff --git a/reactos/base/shell/explorer/explorer.rbuild b/reactos/base/shell/explorer/explorer.rbuild
index 51116715b7e..85b32587fcc 100644
--- a/reactos/base/shell/explorer/explorer.rbuild
+++ b/reactos/base/shell/explorer/explorer.rbuild
@@ -1,10 +1,11 @@
 <?xml version="1.0"?>
 <!DOCTYPE group SYSTEM "../../../tools/rbuild/project.dtd">
 <group xmlns:xi="http://www.w3.org/2001/XInclude">
-<module name="explorer" type="win32gui" installname="explorer.exe" allowwarnings="true" unicode="yes">
+<module name="explorer" type="win32gui" installname="explorer.exe" allowwarnings="true">
 	<linkerflag>-fexceptions</linkerflag>
 	<compilerflag compiler="cpp">-Wno-non-virtual-dtor</compilerflag>
 	<include base="explorer">.</include>
+	<define name="UNICODE" />
 	<define name="WIN32" />
 	<define name="_ROS_" />
 	<define name="_WIN32_IE">0x0600</define>