diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index a93acda2a17..d5ddbec1245 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -5238,6 +5238,9 @@ abstract class CommonObject
 							if ($this->element == 'contrat' && !empty($conf->global->CONTRACT_ALLOW_EXTERNAL_DOWNLOAD)) {
 								$setsharekey = true;
 							}
+							if ($this->element == 'supplier_proposal' && !empty($conf->global->SUPPLIER_PROPOSAL_ALLOW_EXTERNAL_DOWNLOAD)) {
+								$setsharekey = true;
+							}
 
 							if ($setsharekey) {
 								if (empty($ecmfile->share)) {	// Because object not found or share not set yet
diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 7368510484f..6f591c33128 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -7102,6 +7102,11 @@ function getCommonSubstitutionArray($outputlangs, $onlykey = 0, $exclude = null,
 				} else {
 					$substitutionarray['__DIRECTDOWNLOAD_URL_CONTRACT__'] = '';
 				}
+				if (!empty($conf->global->SUPPLIER_PROPOSAL_ALLOW_EXTERNAL_DOWNLOAD) && is_object($object) && $object->element == 'supplier_proposal') {
+					$substitutionarray['__DIRECTDOWNLOAD_URL_SUPPLIER_PROPOSAL__'] = $object->getLastMainDocLink($object->element);
+				} else {
+					$substitutionarray['__DIRECTDOWNLOAD_URL_SUPPLIER_PROPOSAL__'] = '';
+				}
 
 				if (is_object($object) && $object->element == 'propal') {
 					$substitutionarray['__URL_PROPOSAL__'] = DOL_MAIN_URL_ROOT."/comm/propal/card.php?id=".$object->id;
@@ -7115,6 +7120,9 @@ function getCommonSubstitutionArray($outputlangs, $onlykey = 0, $exclude = null,
 				if (is_object($object) && $object->element == 'contrat') {
 					$substitutionarray['__URL_CONTRACT__'] = DOL_MAIN_URL_ROOT."/contrat/card.php?id=".$object->id;
 				}
+				if (is_object($object) && $object->element == 'supplier_proposal') {
+					$substitutionarray['__URL_SUPPLIER_PROPOSAL__'] = DOL_MAIN_URL_ROOT."/supplier_proposal/card.php?id=".$object->id;
+				}
 			}
 
 			if (is_object($object) && $object->element == 'action') {