diff --git a/src/api/config.c b/src/api/config.c
index f04604bc..167763c4 100644
--- a/src/api/config.c
+++ b/src/api/config.c
@@ -26,6 +26,8 @@
 #include "shmem.h"
 // hash_password()
 #include "config/password.h"
+// main_pid()
+#include "signals.h"
 
 static struct {
 	const char *name;
@@ -659,6 +661,7 @@ static int api_config_patch(struct ftl_conn *api)
 	// Read all known config items
 	bool config_changed = false;
 	bool dnsmasq_changed = false;
+	bool rewrite_hosts = false;
 	struct config newconf;
 	duplicate_config(&newconf, &config);
 	for(unsigned int i = 0; i < CONFIG_ELEMENTS; i++)
@@ -730,6 +733,10 @@ static int api_config_patch(struct ftl_conn *api)
 		if(conf_item->f & FLAG_RESTART_FTL)
 			dnsmasq_changed = true;
 
+		// Check if this item requires rewriting the HOSTS file
+		if(conf_item == &config.dns.hosts)
+			rewrite_hosts = true;
+
 		// If the privacy level was decreased, we need to restart
 		if(new_item == &newconf.misc.privacylevel &&
 		   new_item->v.privacy_level < conf_item->v.privacy_level)
@@ -768,6 +775,14 @@ static int api_config_patch(struct ftl_conn *api)
 
 		// Store changed configuration to disk
 		writeFTLtoml(true);
+
+		// Rewrite HOSTS file if required
+		if(rewrite_hosts)
+		{
+			write_custom_list();
+			// Reload HOSTS file
+			kill(main_pid(), SIGHUP);
+		}
 	}
 	else
 	{
@@ -816,6 +831,7 @@ static int api_config_put_delete(struct ftl_conn *api)
 
 	// Read all known config items
 	bool dnsmasq_changed = false;
+	bool rewrite_hosts = false;
 	bool found = false;
 	struct config newconf;
 	duplicate_config(&newconf, &config);
@@ -907,6 +923,10 @@ static int api_config_put_delete(struct ftl_conn *api)
 		if(new_item->f & FLAG_RESTART_FTL)
 			dnsmasq_changed = true;
 
+		// Check if this item requires rewriting the HOSTS file
+		if(new_item == &newconf.dns.hosts)
+			rewrite_hosts = true;
+
 		break;
 	}
 
@@ -954,6 +974,14 @@ static int api_config_put_delete(struct ftl_conn *api)
 	// Store changed configuration to disk
 	writeFTLtoml(true);
 
+	// Rewrite HOSTS file if required
+	if(rewrite_hosts)
+	{
+		write_custom_list();
+		// Reload HOSTS file
+		kill(main_pid(), SIGHUP);
+	}
+
 	// Send empty reply with matching HTTP status code
 	// 201 - Created or 204 - No content
 	cJSON *json = JSON_NEW_OBJECT();
diff --git a/src/config/config.c b/src/config/config.c
index 72c36407..553705db 100644
--- a/src/config/config.c
+++ b/src/config/config.c
@@ -462,7 +462,7 @@ void initConfig(struct config *conf)
 	conf->dns.hosts.h = "Array of custom DNS records\n Example: hosts = [ \"127.0.0.1 mylocal\", \"192.168.0.1 therouter\" ]";
 	conf->dns.hosts.a = cJSON_CreateStringReference("Array of custom DNS records each one in HOSTS form: \"IP HOSTNAME\"");
 	conf->dns.hosts.t = CONF_JSON_STRING_ARRAY;
-	conf->dns.hosts.f = FLAG_ADVANCED_SETTING | FLAG_RESTART_FTL;
+	conf->dns.hosts.f = FLAG_ADVANCED_SETTING;
 	conf->dns.hosts.d.json = cJSON_CreateArray();
 
 	conf->dns.domainNeeded.k = "dns.domainNeeded";
diff --git a/src/config/config.h b/src/config/config.h
index c230627e..72ee5aea 100644
--- a/src/config/config.h
+++ b/src/config/config.h
@@ -88,7 +88,7 @@ enum conf_type {
 #define FLAG_PSEUDO_ITEM           (1 << 2)
 #define FLAG_INVALIDATE_SESSIONS   (1 << 3)
 #define FLAG_WRITE_ONLY            (1 << 4)
-#define FLAG_ENV_VAR     (1 << 5)
+#define FLAG_ENV_VAR               (1 << 5)
 
 struct conf_item {
 	const char *k;        // item Key