diff --git a/lib_util/ivas_rtp_payload.c b/lib_util/ivas_rtp_payload.c
index 4e4b11f2aa6611548902c3e87bae50c0ae85aafb..e759f674bc8794401f92bcad6755d311d81e3c1a 100644
--- a/lib_util/ivas_rtp_payload.c
+++ b/lib_util/ivas_rtp_payload.c
@@ -199,7 +199,10 @@ ivas_error IVAS_RTP_PACK_UpdateHeader(
 
     header->ssrc = ssrc;
     header->CC = numCC;
-    memcpy( header->CSRC, csrc, numCC & 0xF );
+    if ( csrc != NULL )
+    {
+        memcpy( header->CSRC, csrc, numCC & 0xF );
+    }
 
     if ( ( numExtensionBytes > 0 ) && ( extData != NULL ) )
     {