diff --git a/epan/dissectors/packet-http.c b/epan/dissectors/packet-http.c
index d881cc170a..722160f99c 100644
--- a/epan/dissectors/packet-http.c
+++ b/epan/dissectors/packet-http.c
@@ -299,7 +299,7 @@ dissect_http_message(tvbuff_t *tvb, int offset, packet_info *pinfo,
 		 * and do body desegmentation if we've been told to and
 		 * we find a Content-Length header.
 		 */
-		if (!req_resp_hdrs_do_reassembly(tvb, pinfo,
+		if (!req_resp_hdrs_do_reassembly(tvb, offset, pinfo,
 		    http_desegment_headers, http_desegment_body)) {
 			/*
 			 * More data needed for desegmentation.
diff --git a/epan/dissectors/packet-rtsp.c b/epan/dissectors/packet-rtsp.c
index 070d1f0865..fc29af4b2b 100644
--- a/epan/dissectors/packet-rtsp.c
+++ b/epan/dissectors/packet-rtsp.c
@@ -510,6 +510,7 @@ dissect_rtspmessage(tvbuff_t *tvb, int offset, packet_info *pinfo,
 	int			value_offset;
 	int			value_len;
 	e164_info_t		e164_info;
+
 	/*
 	 * Is this a request or response?
 	 *
@@ -520,6 +521,7 @@ dissect_rtspmessage(tvbuff_t *tvb, int offset, packet_info *pinfo,
 	first_linelen = tvb_find_line_end(tvb, offset,
 	    tvb_ensure_length_remaining(tvb, offset), &next_offset,
 	    FALSE);
+
 	/*
 	 * Is the first line a request or response?
 	 */
@@ -533,7 +535,7 @@ dissect_rtspmessage(tvbuff_t *tvb, int offset, packet_info *pinfo,
 		 * and do body desegmentation if we've been told to and
 		 * we find a Content-Length header.
 		 */
-		if (!req_resp_hdrs_do_reassembly(tvb, pinfo,
+		if (!req_resp_hdrs_do_reassembly(tvb, offset, pinfo,
 		    rtsp_desegment_headers, rtsp_desegment_body)) {
 			/*
 			 * More data needed for desegmentation.
diff --git a/epan/req_resp_hdrs.c b/epan/req_resp_hdrs.c
index d9cf1eff1d..fe34b820b4 100644
--- a/epan/req_resp_hdrs.c
+++ b/epan/req_resp_hdrs.c
@@ -38,10 +38,9 @@
  * Optionally do reassembly of the request/response line, headers, and body.
  */
 gboolean
-req_resp_hdrs_do_reassembly(tvbuff_t *tvb, packet_info *pinfo,
+req_resp_hdrs_do_reassembly(tvbuff_t *tvb, int offset, packet_info *pinfo,
     gboolean desegment_headers, gboolean desegment_body)
 {
-	gint		offset = 0;
 	gint		next_offset;
 	gint		next_offset_sav;
 	gint		length_remaining, reported_length_remaining;
diff --git a/epan/req_resp_hdrs.h b/epan/req_resp_hdrs.h
index a4783a5440..3a91483fb5 100644
--- a/epan/req_resp_hdrs.h
+++ b/epan/req_resp_hdrs.h
@@ -30,7 +30,7 @@
  * Optionally do reassembly of the request/response line, headers, and body.
  */
 extern gboolean
-req_resp_hdrs_do_reassembly(tvbuff_t *tvb, packet_info *pinfo,
+req_resp_hdrs_do_reassembly(tvbuff_t *tvb, int offset, packet_info *pinfo,
     gboolean desegment_headers, gboolean desegment_body);
 
 #endif