diff --git a/engine/client/cl_parse.c b/engine/client/cl_parse.c
index f864ac16..737e9457 100644
--- a/engine/client/cl_parse.c
+++ b/engine/client/cl_parse.c
@@ -3095,3 +3095,15 @@ void CL_LegacyPrecache_f( void )
 	MSG_WriteString( &cls.netchan.message, va( "begin %i", spawncount ));
 	cls.signon = SIGNONS;
 }
+
+void CL_LegacyUpdateInfo( void )
+{
+	if( !cls.legacymode )
+		return;
+
+	if( cls.state != ca_active )
+		return;
+
+	MSG_BeginClientCmd( &cls.netchan.message, clc_legacy_userinfo );
+	MSG_WriteString( &cls.netchan.message, cls.userinfo );
+}
diff --git a/engine/common/common.h b/engine/common/common.h
index 301b140a..c0a60d3b 100644
--- a/engine/common/common.h
+++ b/engine/common/common.h
@@ -975,6 +975,7 @@ qboolean CL_IsThirdPerson( void );
 qboolean CL_IsIntermission( void );
 qboolean CL_Initialized( void );
 char *CL_Userinfo( void );
+void CL_LegacyUpdateInfo( void );
 void CL_CharEvent( int key );
 qboolean CL_DisableVisibility( void );
 int CL_PointContents( const vec3_t point );
diff --git a/engine/common/cvar.c b/engine/common/cvar.c
index 39c63de9..ab0e4562 100644
--- a/engine/common/cvar.c
+++ b/engine/common/cvar.c
@@ -121,6 +121,7 @@ static qboolean Cvar_UpdateInfo( convar_t *var, const char *value, qboolean noti
 
 			// time to update server copy of userinfo
 			CL_ServerCommand( true, "setinfo \"%s\" \"%s\"\n", var->name, value );
+			CL_LegacyUpdateInfo();
 		}
 #endif
 	}
diff --git a/engine/common/protocol.h b/engine/common/protocol.h
index 6564b571..d9c6486e 100644
--- a/engine/common/protocol.h
+++ b/engine/common/protocol.h
@@ -253,6 +253,8 @@ extern const char	*clc_strings[clc_lastmsg+1];
 #define svc_legacy_event			27	// playback event queue
 #define svc_legacy_changing			3	// changelevel by server request
 
+#define clc_legacy_userinfo		6	// [[userinfo string]
+
 #define SND_LEGACY_LARGE_INDEX		(1<<2)	// a send sound as short
 #define MAX_LEGACY_ENTITY_BITS		12
 #define MAX_LEGACY_WEAPON_BITS		5