diff --git a/Extension/gsnatives.cpp b/Extension/gsnatives.cpp
index a06efb9..e3d7495 100644
--- a/Extension/gsnatives.cpp
+++ b/Extension/gsnatives.cpp
@@ -190,6 +190,19 @@ static cell_t sm_ClearRules(IPluginContext *pContext, const cell_t *params)
 	return 1;
 }
 
+static cell_t sm_SetAdvertiseServerActive(IPluginContext *pContext, const cell_t *params)
+{
+	ISteamGameServer *pServer = GetGSPointer();
+
+	if (pServer == NULL)
+	{
+		return 0;
+	}
+
+	pServer->SetAdvertiseServerActive(!!params[1]);
+	return 1;
+}
+
 static cell_t sm_ForceHeartbeat(IPluginContext *pContext, const cell_t *params)
 {
 	/* Deprecated no-op: newer Steamworks SDKs removed ISteamGameServer::ForceHeartbeat();
@@ -295,6 +308,7 @@ static sp_nativeinfo_t gsnatives[] = {
 	{"SteamWorks_IsConnected",				sm_IsConnected},
 	{"SteamWorks_SetRule",						sm_SetRule},
 	{"SteamWorks_ClearRules",						sm_ClearRules},
+	{"SteamWorks_SetAdvertiseServerActive",	sm_SetAdvertiseServerActive},
 	{"SteamWorks_ForceHeartbeat",				sm_ForceHeartbeat},
 	{"SteamWorks_HasLicenseForApp",			sm_UserHasLicenseForApp},
 	{"SteamWorks_HasLicenseForAppId",			sm_UserHasLicenseForAppId},
diff --git a/Pawn/includes/SteamWorks.inc b/Pawn/includes/SteamWorks.inc
index 8aedb3c..a0f935f 100644
--- a/Pawn/includes/SteamWorks.inc
+++ b/Pawn/includes/SteamWorks.inc
@@ -346,6 +346,16 @@ native bool SteamWorks_SetRule(const char[] sKey, const char[] sValue);
  */
 native bool SteamWorks_ClearRules();
 
+/**
+ * Sets whether the server should be advertised on the master server list and
+ * respond to server browser / LAN discovery packets. Defaults to false; set
+ * other server parameters before enabling advertising.
+ *
+ * @param bActive       True to advertise the server, false to hide it.
+ * @return              True on success, false if not connected to Steam.
+ */
+native bool SteamWorks_SetAdvertiseServerActive(bool bActive);
+
 /**
  * Deprecated no-op. Newer Steamworks SDKs removed ForceHeartbeat; server list
  * heartbeats are now sent implicitly by Steam.
@@ -1199,6 +1209,7 @@ public void __ext_SteamWorks_SetNTVOptional()
 	MarkNativeAsOptional("SteamWorks_IsConnected");
 	MarkNativeAsOptional("SteamWorks_SetRule");
 	MarkNativeAsOptional("SteamWorks_ClearRules");
+	MarkNativeAsOptional("SteamWorks_SetAdvertiseServerActive");
 	MarkNativeAsOptional("SteamWorks_ForceHeartbeat");
 	MarkNativeAsOptional("SteamWorks_GetUserGroupStatus");
 	MarkNativeAsOptional("SteamWorks_GetUserGroupStatusAuthID");