diff --git a/config.toml b/config.toml
index ba272f5..201a205 100644
--- a/config.toml
+++ b/config.toml
@@ -8,6 +8,7 @@ disk_ram = true
 mode=false
 [mp4]
 record=true
+split_interval_ms=3000
 [ebml]
 record=false
 
diff --git a/config/config.go b/config/config.go
index cb3cfdb..c7cae5b 100644
--- a/config/config.go
+++ b/config/config.go
@@ -25,7 +25,8 @@ type DockerConfig struct {
 }
 
 type MP4 struct {
-	Record bool `mapstructure:"record"`
+	Record          bool `mapstructure:"record"`
+	SplitIntervalMS int  `mapstructure:"split_interval_ms"`
 }
 
 type EBML struct {
diff --git a/main.go b/main.go
index 198ff81..411f064 100644
--- a/main.go
+++ b/main.go
@@ -139,7 +139,7 @@ func main() {
 			if conf.MP4.Record {
 				starters = append(starters, mp4.NewMP4(mp4.MP4Args{
 					Hub:             sourceHub,
-					SplitIntervalMS: 3000,
+					SplitIntervalMS: int64(conf.MP4.SplitIntervalMS),
 				}))
 			}