diff --git a/src/makefiles/Makefile.sco b/src/makefiles/Makefile.sco
index de636b30a6..2bc7627eb8 100644
--- a/src/makefiles/Makefile.sco
+++ b/src/makefiles/Makefile.sco
@@ -1,3 +1,5 @@
+CFLAGS += -dy
+LDFLAGS += -W l,-Bexport
 %.so: %.o
 	$(LD) -G -Bdynamic -o $@ $<
 %.so: %.o