diff --git a/src/trade/trade.service.ts b/src/trade/trade.service.ts
index 9beeb19..68a3251 100644
--- a/src/trade/trade.service.ts
+++ b/src/trade/trade.service.ts
@@ -1,4 +1,8 @@
-import { ForbiddenException, Injectable } from '@nestjs/common';
+import {
+  ForbiddenException,
+  ImATeapotException,
+  Injectable,
+} from '@nestjs/common';
 import { PrismaService } from '../prisma/prisma.service';
 import { checkUserHasAccount, checkuserIsAdmin } from 'src/utils/checkUser';
 import { TradeDto } from './dto';
@@ -80,6 +84,10 @@ export class TradeService {
       },
     });
 
+    if (seller.id === buyer.id) {
+      throw new ImATeapotException('Get the fuck outta here');
+    }
+
     const price = crypto.value * offer.amount;
     if (buyer.dollarAvailables < price) {
       throw new ForbiddenException(