Index: dll/win32/urlmon/CMakeLists.txt
===================================================================
--- dll/win32/urlmon/CMakeLists.txt	(revision 56716)
+++ dll/win32/urlmon/CMakeLists.txt	(working copy)
@@ -67,7 +67,7 @@
 add_definitions(
     -DENTRY_PREFIX=URLMON_
     -DPROXY_DELEGATION
-    -DREGISTER_PROXY_DLL
+    -DWINE_REGISTER_DLL
     -D_URLMON_)
 
 add_pch(urlmon urlmon_main.h)