diff --git a/src/Tgstation.Server.Api/ApiHeaders.cs b/src/Tgstation.Server.Api/ApiHeaders.cs
index 7dc1d79e7e..7ee712130a 100644
--- a/src/Tgstation.Server.Api/ApiHeaders.cs
+++ b/src/Tgstation.Server.Api/ApiHeaders.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.Net.Http.Headers;
 using System.Net.Mime;
@@ -331,7 +332,7 @@ namespace Tgstation.Server.Api
 
 			instanceId ??= InstanceId;
 			if (instanceId.HasValue)
-				headers.Add(InstanceIdHeader, instanceId.ToString());
+				headers.Add(InstanceIdHeader, instanceId.Value.ToString(CultureInfo.InvariantCulture));
 		}
 	}
 }
diff --git a/src/Tgstation.Server.Host/Models/ChatChannel.cs b/src/Tgstation.Server.Host/Models/ChatChannel.cs
index 902c80bdb9..8519ffffdb 100644
--- a/src/Tgstation.Server.Host/Models/ChatChannel.cs
+++ b/src/Tgstation.Server.Host/Models/ChatChannel.cs
@@ -1,4 +1,5 @@
 using System.ComponentModel.DataAnnotations;
+using System.Globalization;
 
 using Tgstation.Server.Api.Models;
 using Tgstation.Server.Api.Models.Internal;
@@ -41,7 +42,7 @@ namespace Tgstation.Server.Host.Models
 		/// <returns>The converted <see cref="Api.Models.ChatChannel"/>.</returns>
 		public Api.Models.ChatChannel ToApi(ChatProvider chatProvider) => new Api.Models.ChatChannel
 		{
-			ChannelData = chatProvider == ChatProvider.Discord ? DiscordChannelId.ToString() : IrcChannel,
+			ChannelData = chatProvider == ChatProvider.Discord ? DiscordChannelId.Value.ToString(CultureInfo.InvariantCulture) : IrcChannel,
 #pragma warning disable CS0618
 			IrcChannel = IrcChannel,
 			DiscordChannelId = DiscordChannelId,