diff --git a/core/emperor.c b/core/emperor.c
index 18d547fa..3745e6ff 100644
--- a/core/emperor.c
+++ b/core/emperor.c
@@ -1100,6 +1100,7 @@ static void uwsgi_emperor_spawn_vassal(struct uwsgi_instance *n_ui) {
 		struct uwsgi_string_list *uct;
 		uwsgi_foreach(uct, uwsgi.vassals_templates_before) counter += 2;
 		uwsgi_foreach(uct, uwsgi.vassals_includes_before) counter += 2;
+		uwsgi_foreach(uct, uwsgi.vassals_set) counter += 2;
 		uwsgi_foreach(uct, uwsgi.vassals_templates) counter += 2;
 		uwsgi_foreach(uct, uwsgi.vassals_includes) counter += 2;
 
@@ -1122,6 +1123,12 @@ static void uwsgi_emperor_spawn_vassal(struct uwsgi_instance *n_ui) {
                         counter += 2;
                 }
 
+		uwsgi_foreach (uct,  uwsgi.vassals_set) {
+                        vassal_argv[counter] = "--set";
+                        vassal_argv[counter + 1] = uct->value;
+                        counter += 2;
+                }
+
 		char *colon = NULL;
 		if (uwsgi.emperor_broodlord) {
 			colon = strchr(n_ui->name, ':');
diff --git a/core/uwsgi.c b/core/uwsgi.c
index 62e9d6e9..b1f5c4d8 100644
--- a/core/uwsgi.c
+++ b/core/uwsgi.c
@@ -222,7 +222,11 @@ static struct uwsgi_option uwsgi_base_options[] = {
 	{"vassals-start-hook", required_argument, 0, "run the specified command before each vassal starts", uwsgi_opt_set_str, &uwsgi.vassals_start_hook, 0},
 	{"vassals-stop-hook", required_argument, 0, "run the specified command after vassal's death", uwsgi_opt_set_str, &uwsgi.vassals_stop_hook, 0},
 	{"vassal-sos-backlog", required_argument, 0, "ask emperor for sos if backlog queue has more items than the value specified", uwsgi_opt_set_int, &uwsgi.vassal_sos_backlog, 0},
+	{"vassals-set", required_argument, 0, "automatically set the specified option (via --set) for every vassal", uwsgi_opt_add_string_list, &uwsgi.vassals_set, 0},
+	{"vassal-set", required_argument, 0, "automatically set the specified option (via --set) for every vassal", uwsgi_opt_add_string_list, &uwsgi.vassals_set, 0},
+
 	{"heartbeat", required_argument, 0, "announce healtness to the emperor", uwsgi_opt_set_int, &uwsgi.heartbeat, 0},
+
 	{"auto-snapshot", optional_argument, 0, "automatically make workers snaphost after reload", uwsgi_opt_set_int, &uwsgi.auto_snapshot, UWSGI_OPT_LAZY},
 	{"reload-mercy", required_argument, 0, "set the maximum time (in seconds) we wait for workers and other processes to die during reload/shutdown", uwsgi_opt_set_int, &uwsgi.reload_mercy, 0},
 	{"worker-reload-mercy", required_argument, 0, "set the maximum time (in seconds) a worker can take to reload/shutdown (default is 60)", uwsgi_opt_set_int, &uwsgi.worker_reload_mercy, 0},
diff --git a/uwsgi.h b/uwsgi.h
index 5b6bf2f9..ed17cccb 100644
--- a/uwsgi.h
+++ b/uwsgi.h
@@ -1805,6 +1805,7 @@ struct uwsgi_server {
 	struct uwsgi_string_list *vassals_includes;
 	struct uwsgi_string_list *vassals_templates_before;
 	struct uwsgi_string_list *vassals_includes_before;
+	struct uwsgi_string_list *vassals_set;
 	// true if loyal to the emperor
 	int loyal;