diff --git a/PluralKit.Bot/Commands/Message.cs b/PluralKit.Bot/Commands/Message.cs
index e668251a..0262a51d 100644
--- a/PluralKit.Bot/Commands/Message.cs
+++ b/PluralKit.Bot/Commands/Message.cs
@@ -55,6 +55,9 @@ public class ProxiedMessage
 
         var newContent = ctx.RemainderOrNull().NormalizeLineEndSpacing();
 
+        if (newContent.Length > 2000)
+            throw new PKError("PluralKit cannot proxy messages over 2000 characters in length.");
+
         var originalMsg = await _rest.GetMessageOrNull(msg.Message.Channel, msg.Message.Mid);
         if (originalMsg == null)
             throw new PKError("Could not edit message.");