diff --git a/ui/src/utils/formatters.js b/ui/src/utils/formatters.js
index f7c658e4..a4de54bb 100644
--- a/ui/src/utils/formatters.js
+++ b/ui/src/utils/formatters.js
@@ -11,10 +11,11 @@ export const formatBytes = (bytes, decimals = 2) => {
 }
 
 export const formatDuration = (d) => {
+  d = Math.round(d)
   const days = Math.floor(d / 86400)
   const hours = Math.floor(d / 3600) % 24
   const minutes = Math.floor(d / 60) % 60
-  const seconds = Math.round(d % 60)
+  const seconds = Math.floor(d % 60)
   const f = [hours, minutes, seconds]
     .map((v) => v.toString())
     .map((v) => (v.length !== 2 ? '0' + v : v))
diff --git a/ui/src/utils/formatters.test.js b/ui/src/utils/formatters.test.js
index c4102fb9..0b853e72 100644
--- a/ui/src/utils/formatters.test.js
+++ b/ui/src/utils/formatters.test.js
@@ -19,7 +19,7 @@ describe('formatDuration', () => {
   it('formats seconds', () => {
     expect(formatDuration(0)).toEqual('00:00')
     expect(formatDuration(59)).toEqual('00:59')
-    expect(formatDuration(59.99)).toEqual('00:60')
+    expect(formatDuration(59.99)).toEqual('01:00')
   })
 
   it('formats days, hours and minutes', () => {