diff --git a/reactos/lib/3rdparty/libwine/CMakeLists.txt b/reactos/lib/3rdparty/libwine/CMakeLists.txt
index a571367ae6c..6dde7ea0243 100644
--- a/reactos/lib/3rdparty/libwine/CMakeLists.txt
+++ b/reactos/lib/3rdparty/libwine/CMakeLists.txt
@@ -7,6 +7,7 @@ list(APPEND SOURCE
     debug_ros.c
     loader.c
     wctype.c
+    register.c
 #    string.c implements _stricmp, already shipped with crt
 )