diff --git a/src/Discord.Net.Core/Entities/Activities/ActivityFlag.cs b/src/Discord.Net.Core/Entities/Activities/ActivityFlag.cs
index 24aba3519..5a7035456 100644
--- a/src/Discord.Net.Core/Entities/Activities/ActivityFlag.cs
+++ b/src/Discord.Net.Core/Entities/Activities/ActivityFlag.cs
@@ -18,6 +18,9 @@ namespace Discord
/// Indicates that this activity can be spectated.
///
Spectate = 0b100,
+ ///
+ /// Indicates that a user may request to join an activity.
+ ///
JoinRequest = 0b1000,
///
/// Indicates that a user can listen along in Spotify.