diff --git a/package/s6-networking/s6-networking.mk b/package/s6-networking/s6-networking.mk
index 7c9f087051..b621eb225d 100644
--- a/package/s6-networking/s6-networking.mk
+++ b/package/s6-networking/s6-networking.mk
@@ -25,7 +25,7 @@ S6_NETWORKING_CONF_OPTS = \
 
 ifeq ($(BR2_PACKAGE_LIBRESSL),y)
 S6_NETWORKING_CONF_OPTS += --enable-ssl=libressl
-S6_NETWORKING_DEPENDENCIES = libressl
+S6_NETWORKING_DEPENDENCIES += libressl
 endif
 
 define S6_NETWORKING_CONFIGURE_CMDS