diff --git a/lib/Makefile.vc6 b/lib/Makefile.vc6
index 3ba268e73..6075ccb11 100644
--- a/lib/Makefile.vc6
+++ b/lib/Makefile.vc6
@@ -480,6 +480,7 @@ X_OBJS= \
 	$(DIROBJ)\select.obj \
 	$(DIROBJ)\content_encoding.obj \
 	$(DIROBJ)\tftp.obj \
+	$(DIROBJ)\splay.obj \
 	$(RESOURCE)
 
 all : $(TARGET)