diff --git a/CHANGELOG.md b/CHANGELOG.md
index feeccefd..f6f94ff6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ This is the rolling changelog for TShock for Terraria. Use past tense when addin
 ## Upcoming changes
 * Fixed ridiculous typo in `GetDataHandlers` which caused TShock to read the wrong field in the packet for `usingBiomeTorches`. (@hakusaro, @Arthri)
 * Fixed torchgod settings to include whether or not torchgod has been fought by the player before and respect `usingBiomeTorches` setting. (@Quinci135)
+* Fixed /worldmode not synchronising data to players after updating the world state (@bartico6, @Arthri)
 
 ## TShock 4.5.3
 * Added permissions for using Teleportation Potions, Magic Conch, and Demon Conch. (@drunderscore)
diff --git a/TShockAPI/Commands.cs b/TShockAPI/Commands.cs
index bf2db430..692eeb01 100644
--- a/TShockAPI/Commands.cs
+++ b/TShockAPI/Commands.cs
@@ -2391,6 +2391,7 @@ namespace TShockAPI
 
 			Main.GameMode = mode;
 			args.Player.SendSuccessMessage("World mode set to {0}", _worldModes.Keys.ElementAt(mode));
+			TSPlayer.All.SendData(PacketTypes.WorldInfo);
 		}
 
 		private static void Hardmode(CommandArgs args)