diff --git a/reactos/apps/tests/Makefile b/reactos/apps/tests/Makefile
index 5381da7fa44..f3341b1efa6 100644
--- a/reactos/apps/tests/Makefile
+++ b/reactos/apps/tests/Makefile
@@ -14,8 +14,8 @@ hivetest icontest isotest lineclip linetest lock lpc messagebox mktime \
 mstest multiwin mutex nptest patblt pipe primitives pteb regtest \
 sectest sertest shaptest shm statst statst2 stretchblt suspend \
 tcpsvr terminate txtscale thread thread_msg tokentest vmtest \
-winhello winhello2 wm_erasebkgnd wm_paint eventpair threadwait
-
+winhello winhello2 wm_erasebkgnd wm_paint eventpair threadwait \
+map_dup_inherit
 
 TEST_MISC =