diff --git a/stack/sdp/sdp_server.cc b/stack/sdp/sdp_server.cc
index 121c248a..d2bbd6c 100644
--- a/stack/sdp/sdp_server.cc
+++ b/stack/sdp/sdp_server.cc
@@ -569,6 +569,7 @@
   if (max_list_len > (p_ccb->rem_mtu_size - SDP_MAX_SERVATTR_RSPHDR_LEN))
     max_list_len = p_ccb->rem_mtu_size - SDP_MAX_SERVATTR_RSPHDR_LEN;
 
+  param_len = static_cast<uint16_t>(p_req_end - p_req);
   p_req = sdpu_extract_attr_seq(p_req, param_len, &attr_seq);
 
   if ((!p_req) || (!attr_seq.num_attr) ||