diff --git a/lib/auth/sia/Makefile.in b/lib/auth/sia/Makefile.in
index fbabfa96e..840e322a9 100644
--- a/lib/auth/sia/Makefile.in
+++ b/lib/auth/sia/Makefile.in
@@ -75,5 +75,4 @@ $(OBJECTS): ../../../config.h
 
 $(LIB): $(OBJECTS)
 	rm -f $(LIB)
-#	$(CC) $(CFLAGS) $(PICFLAGS) $(SHARED) -o $@ $(OBJECTS) $(LD_FLAGS) -L../../kafs -L../../krb -L../../des -L../../roken -lkafs -lkrb -ldes -lroken
-	ld -shared -o $@ $(OBJECTS)  ../../kafs/libkafs.a ../../krb/libkrb.a ../../des/libdes.a @LIB_getpwnam_r@ -lc
+	ld -shared -o $@ -hidden -exported_symbol siad_\* $(OBJECTS)  ../../kafs/libkafs.a ../../krb/libkrb.a ../../des/libdes.a @LIB_getpwnam_r@ -lc