diff --git a/api/em-live-kpi.php b/api/em-live-kpi.php
index 3ea86c721..9f41f2725 100644
--- a/api/em-live-kpi.php
+++ b/api/em-live-kpi.php
@@ -1,7 +1,7 @@
 <?php
 // V84 cache: 5s TTL to avoid 9s shell_exec cascade
 $_emcache = '/tmp/em-live-kpi.cache.json';
-if (file_exists($_emcache) && (time() - filemtime($_emcache)) < 5) {
+if (file_exists($_emcache) && (time() - filemtime($_emcache)) < 60) {
     header('Content-Type: application/json');
     header('X-Cache: HIT');
     echo file_get_contents($_emcache);