diff --git a/commands/random/currency.js b/commands/random/currency.js
index f1f44d7b..1dfa0ed6 100644
--- a/commands/random/currency.js
+++ b/commands/random/currency.js
@@ -44,6 +44,7 @@ module.exports = class CurrencyCommand extends Command {
 
     async run(msg, args) {
         const { base, to, amount } = args;
+        if(base === to) return msg.say('You cannot convert to the same currency as your base.');
         try {
             const { body } = await request
                 .get(`http://api.fixer.io/latest?base=${base}`);
diff --git a/commands/random/currencycodes.json b/commands/random/currencycodes.json
index 4b3f37a5..6e57fbf1 100644
--- a/commands/random/currencycodes.json
+++ b/commands/random/currencycodes.json
@@ -1,5 +1,6 @@
 [
     "AUD",
+    "USD",
     "BGN",
     "BRL",
     "CAD",