Index: openssh-8.8p1/Makefile.in
===================================================================
--- openssh-8.8p1.orig/Makefile.in
+++ openssh-8.8p1/Makefile.in
@@ -252,8 +252,8 @@ ssh-keyscan$(EXEEXT): $(LIBCOMPAT) libss
 ssh-ldap-helper$(EXEEXT): $(LIBCOMPAT) libssh.a ldapconf.o ldapbody.o ldapmisc.o ldap-helper.o
 	$(LD) -o $@ ldapconf.o ldapbody.o ldapmisc.o ldap-helper.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh -lopenbsd-compat $(LIBS)
 
-sftp-server$(EXEEXT): $(LIBCOMPAT) libssh.a $(SFTPSERVER_OBJS)
-	$(LD) -o $@ $(SFTPSERVER_OBJS) $(LDFLAGS) -lssh -lopenbsd-compat -lssh $(LIBS)
+sftp-server$(EXEEXT): $(LIBCOMPAT) libssh.a ssh-sk.o sk-usbhid.o $(SFTPSERVER_OBJS)
+	$(LD) -o $@ $(SFTPSERVER_OBJS) ssh-sk.o sk-usbhid.o $(LDFLAGS) -lssh -lopenbsd-compat -lssh $(LIBS) $(LIBFIDO2)
 
 sftp$(EXEEXT): $(LIBCOMPAT) libssh.a $(SFTP_OBJS)
 	$(LD) -o $@ $(SFTP_OBJS) $(LDFLAGS) -lssh -lopenbsd-compat $(LIBS) $(LIBEDIT)