diff --git a/src/openvpn/options.c b/src/openvpn/options.c
index 7556e7ee..3798731e 100644
--- a/src/openvpn/options.c
+++ b/src/openvpn/options.c
@@ -6591,7 +6591,14 @@ add_option(struct options *options,
         /* we need this here to handle pushed --redirect-gateway */
         remap_redirect_gateway_flags(options);
 #endif
-        options->routes->flags |= RG_ENABLE;
+        /* enable IPv4 redirection logic only if at least one IPv4 flag is set.
+         * For instance, when "redirect-gateway !ipv4 ipv6" is specified no
+         * IPv4 redirection should be activated.
+         */
+        if (options->routes->flags)
+        {
+            options->routes->flags |= RG_ENABLE;
+        }
     }
     else if (streq(p[0], "block-ipv6") && !p[1])
     {