diff --git a/APPL/MLD/mld_edit_opdr.asp b/APPL/MLD/mld_edit_opdr.asp
index 4f14bb1431..73170f9cb9 100644
--- a/APPL/MLD/mld_edit_opdr.asp
+++ b/APPL/MLD/mld_edit_opdr.asp
@@ -558,6 +558,14 @@ oRs.Close();
 <%
         }
 
+        var pbtype = "P";
+        if (mld_opdr.uitv_type == "B")
+        {
+          if (mld_opdr.uitv_intern == 1)
+            pbtype = "BI"
+          else
+            pbtype = "BE";
+        }
         // <!-- (INTERN) BEHANDELAAR -->
         FCLTpersoonselector("behandelaar",
                               "sgPerson",
@@ -566,7 +574,7 @@ oRs.Close();
                                 autlevel: authparams.PRSwritelevel,
                                 moreinfo: true,
                                 filtercode: "OCP",
-                                urlAdd: [{urlParam: "pbtype", field: "pbtype"}],
+                                urlAdd: [{urlParam: "pbtype", field: "pbtype", init: pbtype}],
                                 disc_key: mld_melding.disc,
                                 readonly: (opdr_key > 0 && !this_opdr.canVeldChange),
                                 suppressEmpty: true