diff --git a/code/client/cl_main.c b/code/client/cl_main.c
index c345c973..26faf80f 100644
--- a/code/client/cl_main.c
+++ b/code/client/cl_main.c
@@ -4145,6 +4145,9 @@ void CL_GlobalServers_f( void ) {
 				com_gamename->string, Cmd_Argv(2));
 		}
 	}
+	else if ( !Q_stricmp( com_gamename->string, LEGACY_MASTER_GAMENAME ) )
+		Com_sprintf(command, sizeof(command), "getservers %s",
+			Cmd_Argv(2));
 	else
 		Com_sprintf(command, sizeof(command), "getservers %s %s",
 			com_gamename->string, Cmd_Argv(2));
diff --git a/code/qcommon/q_shared.h b/code/qcommon/q_shared.h
index b7f03fda..48647f1d 100644
--- a/code/qcommon/q_shared.h
+++ b/code/qcommon/q_shared.h
@@ -51,6 +51,11 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 // Heartbeat for dpmaster protocol. You shouldn't change this unless you know what you're doing
 #define HEARTBEAT_FOR_MASTER		"DarkPlaces"
 
+// When com_gamename is LEGACY_MASTER_GAMENAME, use quake3 master protocol.
+// You shouldn't change this unless you know what you're doing
+#define LEGACY_MASTER_GAMENAME		"Quake3Arena"
+#define LEGACY_HEARTBEAT_FOR_MASTER	"QuakeArena-1"
+
 #define BASETA				"missionpack"
 
 #ifndef PRODUCT_VERSION
diff --git a/code/server/sv_main.c b/code/server/sv_main.c
index e48e0b97..ed50707e 100644
--- a/code/server/sv_main.c
+++ b/code/server/sv_main.c
@@ -252,6 +252,9 @@ void SV_MasterHeartbeat(const char *message)
 	if ( svs.time < svs.nextHeartbeatTime )
 		return;
 
+	if ( !Q_stricmp( com_gamename->string, LEGACY_MASTER_GAMENAME ) )
+		message = LEGACY_HEARTBEAT_FOR_MASTER;
+
 	svs.nextHeartbeatTime = svs.time + HEARTBEAT_MSEC;
 
 	// send to group masters