diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index fdc3ddb1a05..1120b78d038 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1287,7 +1287,7 @@ class Form
 	 *	@param	int		$socid      	Id ot third party or 0 for all
 	 *	@param  string	$selected   	Id contact pre-selectionne
 	 *	@param  string	$htmlname  	    Name of HTML field ('none' for a not editable field)
-	 *	@param  int		$showempty      0=no empty value, 1=add an empty value
+	 *	@param  int		$showempty      0=no empty value, 1=add an empty value, 2=add line 'Internal' (used by user edit), 3=add an empty value only if more than one record into list
 	 *	@param  string	$exclude        List of contacts id to exclude
 	 *	@param	string	$limitto		Disable answers that are not id in this array list
 	 *	@param	integer	$showfunction   Add function into label
@@ -1311,10 +1311,10 @@ class Form
 	 *	Return HTML code of the SELECT of list of all contacts (for a third party or all).
 	 *  This also set the number of contacts found into $this->num
 	 *
-	 *	@param	int			$socid      	Id ot third party or 0 for all
+	 *	@param	int			$socid      	Id ot third party or 0 for all or -1 for empty list
 	 *	@param  array|int	$selected   	Array of ID of pre-selected contact id
 	 *	@param  string		$htmlname  	    Name of HTML field ('none' for a not editable field)
-	 *	@param  int			$showempty     	0=no empty value, 1=add an empty value, 2=add line 'Internal' (used by user edit)
+	 *	@param  int			$showempty     	0=no empty value, 1=add an empty value, 2=add line 'Internal' (used by user edit), 3=add an empty value only if more than one record into list
 	 *	@param  string		$exclude        List of contacts id to exclude
 	 *	@param	string		$limitto		Disable answers that are not id in this array list
 	 *	@param	integer		$showfunction   Add function into label
@@ -1342,7 +1342,7 @@ class Form
 		$sql.= " FROM ".MAIN_DB_PREFIX ."socpeople as sp";
 		if ($showsoc > 0) $sql.= " LEFT OUTER JOIN  ".MAIN_DB_PREFIX ."societe as s ON s.rowid=sp.fk_soc";
 		$sql.= " WHERE sp.entity IN (".getEntity('socpeople').")";
-		if ($socid > 0) $sql.= " AND sp.fk_soc=".$socid;
+		if ($socid > 0 || $socid == -1) $sql.= " AND sp.fk_soc=".$socid;
 		if (! empty($conf->global->CONTACT_HIDE_INACTIVE_IN_COMBOBOX)) $sql.= " AND sp.statut <> 0";
 		$sql.= " ORDER BY sp.lastname ASC";
 
@@ -1359,7 +1359,7 @@ class Form
 			}
 
 			if ($htmlname != 'none' || $options_only) $out.= '<select class="flat'.($moreclass?' '.$moreclass:'').'" id="'.$htmlid.'" name="'.$htmlname.'" '.(!empty($moreparam) ? $moreparam : '').'>';
-			if ($showempty == 1) $out.= '<option value="0"'.($selected=='0'?' selected':'').'>&nbsp;</option>';
+			if ($showempty == 1 || ($showempty == 3 && $num > 1)) $out.= '<option value="0"'.($selected=='0'?' selected':'').'>&nbsp;</option>';
 			if ($showempty == 2) $out.= '<option value="0"'.($selected=='0'?' selected':'').'>'.$langs->trans("Internal").'</option>';
 			$num = $this->db->num_rows($resql);
 			$i = 0;
@@ -1418,7 +1418,9 @@ class Form
 			}
 			else
 			{
-				$out.= '<option value="-1"'.($showempty==2?'':' selected').' disabled>'.$langs->trans($socid?"NoContactDefinedForThirdParty":"NoContactDefined").'</option>';
+				$out.= '<option value="-1"'.($showempty==2?'':' selected').' disabled>';
+				$out.= ($socid != -1) ? ($langs->trans($socid?"NoContactDefinedForThirdParty":"NoContactDefined")) : $langs->trans('SelectAThirdPartyFirst');
+				$out.= '</option>';
 			}
 			if ($htmlname != 'none' || $options_only)
 			{
diff --git a/htdocs/core/class/html.formticket.class.php b/htdocs/core/class/html.formticket.class.php
index 1fcc865c05a..9c3daefd62a 100644
--- a/htdocs/core/class/html.formticket.class.php
+++ b/htdocs/core/class/html.formticket.class.php
@@ -239,9 +239,9 @@ class FormTicket
 
                 // Contact and type
                 print '<tr><td>' . $langs->trans("Contact") . '</td><td>';
-                // If no socid, set to first one (id=1) to avoid full contacts list
-                $selectedCompany = $this->withfromsocid > 0 ? $this->withfromsocid : 1;
-                $nbofcontacts = $form->select_contacts($selectedCompany, $this->withfromcontactid, 'contactid',  0, '', '', 0, 'minwidth200');
+                // If no socid, set to -1 to avoid full contacts list
+                $selectedCompany = ($this->withfromsocid > 0) ? $this->withfromsocid : -1;
+                $nbofcontacts = $form->select_contacts($selectedCompany, $this->withfromcontactid, 'contactid', 3, '', '', 0, 'minwidth200');
                 $formcompany->selectTypeContact($ticketstatic, '', 'type', 'external', '', 0, 'maginleftonly');
                 print '</td></tr>';
             } else {
diff --git a/htdocs/core/tpl/contacts.tpl.php b/htdocs/core/tpl/contacts.tpl.php
index a6e895d5fed..99ae9a699a1 100644
--- a/htdocs/core/tpl/contacts.tpl.php
+++ b/htdocs/core/tpl/contacts.tpl.php
@@ -128,7 +128,7 @@ if ($permission) {
 			<?php $selectedCompany = $formcompany->selectCompaniesForNewContact($object, 'id', $selectedCompany, 'newcompany', '', 0, '', 'minwidth300imp'); ?>
 		</div>
 		<div class="tagtd maxwidthonsmartphone noborderbottom">
-			<?php $nbofcontacts=$form->select_contacts($selectedCompany, '', 'contactid', 0, '', '', 0, 'minwidth100imp'); ?>
+			<?php $nbofcontacts=$form->select_contacts(($selectedCompany > 0 ? $selectedCompany : -1), '', 'contactid', 3, '', '', 0, 'minwidth100imp'); ?>
 		</div>
 		<div class="tagtd maxwidthonsmartphone noborderbottom">
 			<?php
diff --git a/htdocs/langs/en_US/main.lang b/htdocs/langs/en_US/main.lang
index e7a4b79952b..fb4d1d3dc20 100644
--- a/htdocs/langs/en_US/main.lang
+++ b/htdocs/langs/en_US/main.lang
@@ -947,4 +947,4 @@ AssignedTo=Assigned to
 Deletedraft=Delete draft
 ConfirmMassDraftDeletion=Draft Bulk delete confirmation
 FileSharedViaALink=File shared via a link
-
+SelectAThirdPartyFirst=Select a third party first...