diff --git a/dispatcher/frontend-ui/src/components/PipelineTable.vue b/dispatcher/frontend-ui/src/components/PipelineTable.vue
index caecddd3..0b472ad9 100644
--- a/dispatcher/frontend-ui/src/components/PipelineTable.vue
+++ b/dispatcher/frontend-ui/src/components/PipelineTable.vue
@@ -180,12 +180,20 @@
       },
       async loadLastRuns() {
         let parent = this;
+        parent.last_runs_loaded = false;
         let schedule_names = parent.tasks.map(function (item) { return item.schedule_name; }).unique();
 
         parent.toggleLoader("fetching last runs…");
-        let requests = schedule_names.map(function (schedule_name) {
-            return parent.queryAPI('get', "/schedules/" + schedule_name);
-          });
+        const chunkSize = 5;
+        let requests = []
+        for (let i = 0; i < schedule_names.length; i += chunkSize) {
+            const chunk = schedule_names.slice(i, i + chunkSize);
+            for (let iChunk in chunk) {
+              requests.push(parent.queryAPI('get', "/schedules/" + chunk[iChunk]))
+            }
+            await Constants.delay(500)
+        }
+
         const results = await Promise.all(requests.map(p => p.catch(e => e)));
 
         results.forEach(function (response, index) {
diff --git a/dispatcher/frontend-ui/src/constants.js b/dispatcher/frontend-ui/src/constants.js
index 01fe4986..d1756c1f 100644
--- a/dispatcher/frontend-ui/src/constants.js
+++ b/dispatcher/frontend-ui/src/constants.js
@@ -295,6 +295,10 @@ function get_timezone_details() {
   return {tz: dt.zoneName, offset: dt.o, offsetstr: offsetstr}
 }
 
+function delay(time) {
+  return new Promise(resolve => setTimeout(resolve, time));
+}
+
 var DEFAULT_CPU_SHARE = 1024;
 
 var ZIMFARM_WEBAPI = window.environ.ZIMFARM_WEBAPI || "https://api.farm.openzim.org/v1";
@@ -527,4 +531,5 @@ export default {
   fromSeconds: DateTime.fromSeconds,
   to_timestamp: to_timestamp,
   is_ios_firefox: isFirefoxOnIOS(),
+  delay: delay,
 };