diff --git a/api/video.js b/api/video.js
index ba333c5..c70736b 100644
--- a/api/video.js
+++ b/api/video.js
@@ -3,6 +3,7 @@ const {render} = require("pinski/plugins")
 const db = require("../utils/db")
 const {getToken, getUser} = require("../utils/getuser")
 const pug = require("pug")
+const converters = require("../utils/converters")
 
 class InstanceError extends Error {
 	constructor(error, identifier) {
@@ -50,6 +51,11 @@ module.exports = [
 					if (!format.second__height && format.resolution) format.second__height = +format.resolution.slice(0, -1)
 					if (!format.second__order) format.second__order = formatOrder(format)
 				}
+				for (const rec of video.recommendedVideos) {
+					if (!rec.second__lengthText && rec.lengthSeconds > 0) {
+						rec.second__lengthText = converters.lengthSecondsToLengthText(rec.lengthSeconds)
+					}
+				}
 				const subscribed = user.isSubscribed(video.authorId)
 				return render(200, "pug/video.pug", {video, subscribed})
 			} catch (e) {
diff --git a/utils/converters.js b/utils/converters.js
index cf78c34..e875a44 100644
--- a/utils/converters.js
+++ b/utils/converters.js
@@ -18,4 +18,14 @@ function timeToPastText(timestamp) {
 	}, null) || "just now"
 }
 
+function lengthSecondsToLengthText(seconds) {
+	return [Math.floor(seconds/3600), Math.floor(seconds/60)%60, seconds%60]
+		.reduce((a, c, i, t) => (
+			a ? a : c || i == 1 ? t.slice(i) : false
+		), false)
+		.map((x, i) => i === 0 ? x : (x+"").padStart(2, "0"))
+		.join(":")
+}
+
 module.exports.timeToPastText = timeToPastText
+module.exports.lengthSecondsToLengthText = lengthSecondsToLengthText