diff --git a/src/pluralkit/bot/commands/member_commands.py b/src/pluralkit/bot/commands/member_commands.py
index 7bd622cd..a5d3afac 100644
--- a/src/pluralkit/bot/commands/member_commands.py
+++ b/src/pluralkit/bot/commands/member_commands.py
@@ -63,6 +63,10 @@ async def member_set(ctx: CommandContext):
             if bounds_error:
                 return CommandError(bounds_error)
 
+        if prop == "description":
+            if len(value) > 1024:
+                return CommandError("You can't have a description longer than 1024 characters.")
+
         if prop == "color":
             match = re.fullmatch("#?([0-9A-Fa-f]{6})", value)
             if not match:
diff --git a/src/pluralkit/bot/commands/system_commands.py b/src/pluralkit/bot/commands/system_commands.py
index cc23f4db..914a2724 100644
--- a/src/pluralkit/bot/commands/system_commands.py
+++ b/src/pluralkit/bot/commands/system_commands.py
@@ -59,6 +59,10 @@ async def system_set(ctx: CommandContext):
     if ctx.has_next():
         value = ctx.remaining()
         # Sanity checking
+        if prop == "description":
+            if len(value) > 1024:
+                return CommandError("You can't have a description longer than 1024 characters.")
+
         if prop == "tag":
             if len(value) > 32:
                 return CommandError("You can't have a system tag longer than 32 characters.")