diff --git a/src/js/ripple/remote.js b/src/js/ripple/remote.js
index 5e20a78b..76f21771 100644
--- a/src/js/ripple/remote.js
+++ b/src/js/ripple/remote.js
@@ -1436,7 +1436,7 @@ Remote.prototype.requestBookOffers = function(gets, pays, taker, callback) {
   var request = new Request(this, 'book_offers');
 
   request.message.taker_gets = {
-    currency: Currency.json_rewrite(gets.currency)
+    currency: Currency.json_rewrite(gets.currency, {force_hex:true})
   };
 
   if (request.message.taker_gets.currency !== 'XRP') {
@@ -1444,7 +1444,7 @@ Remote.prototype.requestBookOffers = function(gets, pays, taker, callback) {
   }
 
   request.message.taker_pays = {
-    currency: Currency.json_rewrite(pays.currency)
+    currency: Currency.json_rewrite(pays.currency, {force_hex:true})
   };
 
   if (request.message.taker_pays.currency !== 'XRP') {
diff --git a/src/js/ripple/request.js b/src/js/ripple/request.js
index 617a3cd8..d058b3c9 100644
--- a/src/js/ripple/request.js
+++ b/src/js/ripple/request.js
@@ -340,7 +340,7 @@ Request.prototype.addBook = function(book, snapshot) {
     }
 
     var obj = json[side] = {
-      currency: Currency.json_rewrite(book[side].currency)
+      currency: Currency.json_rewrite(book[side].currency, {force_hex: true})
     };
 
     if (obj.currency !== 'XRP') {