diff --git a/libs/ffmpeg/builders.js b/libs/ffmpeg/builders.js
index f321b0c8..1cffa87f 100644
--- a/libs/ffmpeg/builders.js
+++ b/libs/ffmpeg/builders.js
@@ -9,9 +9,6 @@ module.exports = (s,config,lang) => {
     const {
         validateDimensions,
     } = require('./utils.js')(s,config,lang)
-    const {
-        roundNearest5,
-    } = require('../basic/utils.js')(process.cwd(),config)
     if(!config.outputsWithAudio)config.outputsWithAudio = ['hls','flv','mp4','rtmp'];
     if(!config.outputsNotCapableOfPresets)config.outputsNotCapableOfPresets = [];
     const hasCudaEnabled = (monitor) => {
@@ -690,8 +687,8 @@ module.exports = (s,config,lang) => {
             const { videoWidth, videoHeight } = validateDimensions(e.details.event_record_scale_x,e.details.event_record_scale_y)
             const hlsTime = !isNaN(parseInt(e.details.detector_buffer_hls_time)) ? `${parseInt(e.details.detector_buffer_hls_time)}` : '5'
             // const hlsListSize = !isNaN(parseInt(e.details.detector_buffer_hls_list_size)) ? `${parseInt(e.details.detector_buffer_hls_list_size)}` : '4'
-            const secondsBefore = roundNearest5(parseInt(e.details.detector_buffer_seconds_before)) || 5
-            let hlsListSize = parseInt(secondsBefore / 5 + 3)
+            const secondsBefore = parseInt(e.details.detector_buffer_seconds_before) || 5
+            let hlsListSize = parseInt(secondsBefore / 2 + 3)
             // hlsListSize = hlsListSize < 5 ? 5 : hlsListSize;
             if(inputMap)outputFlags.push(inputMap)
             if(e.details.cust_sip_record)outputFlags.push(e.details.cust_sip_record)