diff --git a/epan/sigcomp-udvm.c b/epan/sigcomp-udvm.c
index 8b335b730d..f7b75fa79d 100644
--- a/epan/sigcomp-udvm.c
+++ b/epan/sigcomp-udvm.c
@@ -2705,7 +2705,7 @@ execute_next_instruction:
 				udvm_state_create(sha1buff, sha1_digest_buf, STATE_MIN_ACCESS_LEN);
 /* end partial state-id change cco@iptel.org */
 				proto_tree_add_text(udvm_tree,bytecode_tvb, 0, -1,"### Creating state ###");
-				proto_tree_add_string(udvm_tree,hf_id, bytecode_tvb, 0, 0, bytes_to_ep_str(sha1_digest_buf, state_minimum_access_length_buff[n]));
+				proto_tree_add_string(udvm_tree,hf_id, bytecode_tvb, 0, 0, bytes_to_ep_str(sha1_digest_buf, STATE_MIN_ACCESS_LEN));
 
 				n++;