diff --git a/src/services/api/market.js b/src/services/api/market.js
index 0647c5b..9db7f8c 100644
--- a/src/services/api/market.js
+++ b/src/services/api/market.js
@@ -247,7 +247,8 @@ class Market {
             asset_id: this.base,
             amount: toReceive
           },
-          userId
+          userId,
+          fillOrKill: true
         };
         const order = utils.createOrder(orderObject);
 
diff --git a/src/utils/index.js b/src/utils/index.js
index 194e504..6a68cc8 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -202,7 +202,7 @@ export const distributionSampling = (proportions, accuracy) => {
   );
 };
 
-export const createOrder = ({ sell, receive, userId }) => {
+export const createOrder = ({ sell, receive, userId, fillOrKill = false }) => {
   const expiration = new Date();
   expiration.setYear(expiration.getFullYear() + 5);
   return {
@@ -210,7 +210,7 @@ export const createOrder = ({ sell, receive, userId }) => {
     amount_to_sell: sell,
     min_to_receive: receive,
     expiration,
-    fill_or_kill: false
+    fill_or_kill: fillOrKill
   };
 };