diff --git a/lib/Makefile.Watcom b/lib/Makefile.Watcom
index 0cd7c83755..1692eaab6a 100644
--- a/lib/Makefile.Watcom
+++ b/lib/Makefile.Watcom
@@ -45,7 +45,8 @@ OBJS = $(OBJ_DIR)\transfer.obj         $(OBJ_DIR)\file.obj       &
        $(OBJ_DIR)\hostip6.obj          $(OBJ_DIR)\inet_ntop.obj  &
        $(OBJ_DIR)\hostsyn.obj          $(OBJ_DIR)\parsedate.obj  &
        $(OBJ_DIR)\select.obj           $(OBJ_DIR)\sslgen.obj     &
-       $(OBJ_DIR)\gtls.obj             $(OBJ_DIR)\tftp.obj
+       $(OBJ_DIR)\gtls.obj             $(OBJ_DIR)\tftp.obj       &
+       $(OBJ_DIR)\splay.obj
 
 RESOURCE = $(OBJ_DIR)\libcurl.res