diff --git a/src/kits/media/MediaEventLooper.cpp b/src/kits/media/MediaEventLooper.cpp
index 5909884ad0..0f03e5ea9c 100644
--- a/src/kits/media/MediaEventLooper.cpp
+++ b/src/kits/media/MediaEventLooper.cpp
@@ -417,6 +417,10 @@ void
 BMediaEventLooper::SetBufferDuration(bigtime_t duration)
 {
 	CALLED();
+
+	if (duration < 0)
+		duration = 0;
+
 	fBufferDuration = duration;
 }