diff --git a/epan/dissectors/packet-ieee1722.c b/epan/dissectors/packet-ieee1722.c
index 3cb4fa74e0..ec6a3110bb 100644
--- a/epan/dissectors/packet-ieee1722.c
+++ b/epan/dissectors/packet-ieee1722.c
@@ -2832,16 +2832,17 @@ static int dissect_1722_acf_lin(tvbuff_t *tvb, packet_info *pinfo, proto_tree *t
     col_add_fstr(pinfo->cinfo, COL_INFO, "ACF-LIN(%u): 0x%02x   ", bus_id, lin_id);
 
     payload_length = tvb_reported_length_remaining(tvb, offset) - pad_length;
-    col_append_str(pinfo->cinfo, COL_INFO, tvb_bytes_to_str_punct(wmem_packet_scope(), tvb, offset, payload_length, ' '));
 
     if (payload_length < 0 || payload_length > 8)
     {
         expert_add_info(pinfo, ti_lin, &ei_1722_lin_invalid_payload_length);
-
     }
     else if (payload_length > 0)
     {
         tvbuff_t*   next_tvb = tvb_new_subset_length(tvb, offset, payload_length);
+
+        col_append_str(pinfo->cinfo, COL_INFO, tvb_bytes_to_str_punct(wmem_packet_scope(), tvb, offset, payload_length, ' '));
+
         /* at the moment, there's no global LIN sub-protocols support. Use our own. */
         if (dissector_try_payload_new(avb1722_acf_lin_dissector_table, next_tvb, pinfo, tree, TRUE, &lin_id) <= 0)
         {