diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index e5a83348db3..b9586e1b1bb 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -1185,7 +1185,7 @@ if ($action == 'create') {
 
 		print '<tr><td class="titlefieldcreate">'.$langs->trans("Project").'</td><td id="project-input-container">';
 		print img_picto('', 'project', 'class="pictofixedwidth"');
-		print $formproject->select_projects((!empty($societe->id) ? $societe->id : -1), $projectid, 'projectid', 0, 0, 1, 1, 0, 0, 0, '', 1, 0, 'maxwidth500 widthcentpercentminusxx');
+		print $formproject->select_projects((empty($societe->id) ? '' : $societe->id), $projectid, 'projectid', 0, 0, 1, 1, 0, 0, 0, '', 1, 0, 'maxwidth500 widthcentpercentminusxx');
 
 		print '&nbsp;<a href="'.DOL_URL_ROOT.'/projet/card.php?socid='.(!empty($societe->id) ? $societe->id: -1).'&action=create&amp;backtopage='.urlencode($_SERVER["PHP_SELF"].'?action=create').'">';
 		print '<span class="fa fa-plus-circle valignmiddle paddingleft" title="'.$langs->trans("AddProject").'"></span></a>';