diff --git a/epan/dissectors/packet-sctp.c b/epan/dissectors/packet-sctp.c
index 536a453314..dbbc02c3c7 100644
--- a/epan/dissectors/packet-sctp.c
+++ b/epan/dissectors/packet-sctp.c
@@ -2775,7 +2775,7 @@ dissect_sack_chunk(packet_info* pinfo, tvbuff_t *chunk_tvb, proto_tree *chunk_tr
 	for(gap_block_number = 1; gap_block_number <= number_of_gap_blocks; gap_block_number++) {
 		proto_item* pi;
 		proto_tree* pt;
-		guint32 tsn_start; = cum_tsn_ack + start;
+		guint32 tsn_start;
 	  start = tvb_get_ntohs(chunk_tvb, gap_block_offset);
 	  end   = tvb_get_ntohs(chunk_tvb, gap_block_offset + SACK_CHUNK_GAP_BLOCK_START_LENGTH);
           tsn_start = cum_tsn_ack + start;