diff --git a/package/proftpd/Config.in b/package/proftpd/Config.in
index 83094028a0..aed1958b8d 100644
--- a/package/proftpd/Config.in
+++ b/package/proftpd/Config.in
@@ -29,7 +29,8 @@ config BR2_PACKAGE_PROFTPD_MOD_REDIS
 config BR2_PACKAGE_PROFTPD_MOD_SFTP
 	bool "mod_sftp support"
 	select BR2_PACKAGE_OPENSSL
-	select BR2_PACKAGE_LIBOPENSSL_ENABLE_RMD160 if BR2_PACKAGE_LIBOPENSSL
+	select BR2_PACKAGE_OPENSSL_FORCE_LIBOPENSSL
+	select BR2_PACKAGE_LIBOPENSSL_ENABLE_RMD160
 	help
 	  Compile ProFTPD with mod_sftp support