diff --git a/app/config.go b/app/config.go
index 7d886c0..884bb4b 100644
--- a/app/config.go
+++ b/app/config.go
@@ -85,6 +85,7 @@ func DefaultConfig() *Config {
 		},
 		Thumbnailer: &ThumbnailerConfig{
 			Timeout: 60,
+			PositionFromStart: 3,
 		},
 		Transcoder: &TranscoderConfig{
 			Timeout: 300,