diff --git a/library/RTP_Emulation.ttcn b/library/RTP_Emulation.ttcn
index b8b1dbe..e4a3029 100644
--- a/library/RTP_Emulation.ttcn
+++ b/library/RTP_Emulation.ttcn
@@ -76,7 +76,7 @@
 	marker_bit := marker,
 	payload_type := pt,
 	sequence_number := seq,
-	time_stamp := int2bit(ts, 4),
+	time_stamp := int2bit(ts, 32),
 	SSRC_id := ssrc,
 	CSRCs := omit,
 	ext_header := omit,