diff --git a/jam-ui/src/helpers/rest.js b/jam-ui/src/helpers/rest.js
index b94abeaa0..d56349631 100644
--- a/jam-ui/src/helpers/rest.js
+++ b/jam-ui/src/helpers/rest.js
@@ -148,8 +148,7 @@ export const getSessions = () => {
 
 export const getLatencyToUsers = (currentUserId, participantIds) => {
   return new Promise((resolve, reject) => {
-    const options = { user_ids: participantIds} 
-    apiFetch(`/users/${currentUserId}/latencies?${new URLSearchParams(options)}`)
+    apiFetch(`/users/${currentUserId}/latencies?user_ids[]=${participantIds}`)
     .then(response => resolve(response))
     .catch(error => reject(error))
   })