diff --git a/etc/builtin.conf b/etc/builtin.conf
index 574d342f21..a5e174e964 100644
--- a/etc/builtin.conf
+++ b/etc/builtin.conf
@@ -61,6 +61,7 @@ demuxer-lavf-analyzeduration=0.1    # if it probes, reduce it
 video-sync=audio        # DS currently requires reading ahead a frame
 interpolation=no        # requires reference frames (more buffering)
 video-latency-hacks=yes # typically 1 or 2 video frame less latency
+stream-buffer-size=4k   # minimal buffer size; normally not needed
 
 [sw-fast]
 # For VOs which use software scalers, also affects screenshots and others.