--- as/Makefile
+++ as/Makefile
@@ -343,7 +343,7 @@
 		makeUser.o $(LIBSTUFF_DIR) $(LIBSTUFF)
 	$(CC) $(CFLAGS) $(RC_CFLAGS) -o $(SYMROOT)/as $(SYMROOT)/as.private.o
 
-makeUser.c messages.c: make.h
+makeUser.c ../messages.c: make.h
 
 make.h makeUser.c: make.defs
 	$(MIG) $(MIG_FLAGS) $(SRCROOT)/make.defs