diff --git a/ui/src/api/index.js b/ui/src/api/index.js
index 7cb2edef988e..e54a71552ea8 100644
--- a/ui/src/api/index.js
+++ b/ui/src/api/index.js
@@ -43,6 +43,9 @@ export function api (command, args = {}, method = 'GET', data = {}) {
 export function login (arg) {
   sourceToken.init()
 
+  // Logout before login is called to purge any duplicate sessionkey cookies
+  api('logout')
+
   const params = new URLSearchParams()
   params.append('command', 'login')
   params.append('username', arg.username || arg.email)