diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 5fca7f3ee99..ac8b08d92ee 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -7659,6 +7659,9 @@ function getCommonSubstitutionArray($outputlangs, $onlykey = 0, $exclude = null,
 			if (isModEnabled("propal") && (!is_object($object) || $object->element == 'propal')) {
 				$substitutionarray['__ONLINE_SIGN_URL__'] = 'ToOfferALinkForOnlineSignature';
 			}
+			if (isModEnabled("ficheinter") && (!is_object($object) || $object->element == 'fichinter')) {
+				$substitutionarray['__ONLINE_SIGN_FICHINTER_URL__'] = 'ToOfferALinkForOnlineSignature';
+			}
 			$substitutionarray['__ONLINE_PAYMENT_URL__'] = 'UrlToPayOnlineIfApplicable';
 			$substitutionarray['__ONLINE_PAYMENT_TEXT_AND_URL__'] = 'TextAndUrlToPayOnlineIfApplicable';
 			$substitutionarray['__SECUREKEYPAYMENT__'] = 'Security key (if key is not unique per record)';
@@ -7929,6 +7932,10 @@ function getCommonSubstitutionArray($outputlangs, $onlykey = 0, $exclude = null,
 					require_once DOL_DOCUMENT_ROOT.'/core/lib/signature.lib.php';
 					$substitutionarray['__ONLINE_SIGN_URL__'] = getOnlineSignatureUrl(0, 'proposal', $object->ref);
 				}
+				if (is_object($object) && $object->element == 'fichinter') {
+					require_once DOL_DOCUMENT_ROOT.'/core/lib/signature.lib.php';
+					$substitutionarray['__ONLINE_SIGN_FICHINTER_URL__'] = getOnlineSignatureUrl(0, 'fichinter', $object->ref);
+				}
 				if (!empty($conf->global->PROPOSAL_ALLOW_EXTERNAL_DOWNLOAD) && is_object($object) && $object->element == 'propal') {
 					$substitutionarray['__DIRECTDOWNLOAD_URL_PROPOSAL__'] = $object->getLastMainDocLink($object->element);
 				} else {