diff --git a/htdocs/public/onlinesign/newonlinesign.php b/htdocs/public/onlinesign/newonlinesign.php
index e698c20c4f0..0988feec5a2 100644
--- a/htdocs/public/onlinesign/newonlinesign.php
+++ b/htdocs/public/onlinesign/newonlinesign.php
@@ -139,7 +139,7 @@ if ($source == 'proposal') {
 	$securekeyseed = getDolGlobalString('PROPOSAL_ONLINE_SIGNATURE_SECURITY_TOKEN');
 }
 
-if (!dol_verifyHash($securekeyseed.$type.$ref.(empty($conf->multicompany->enabled) ? '' : $entity), $SECUREKEY, '0')) {
+if (!dol_verifyHash($securekeyseed.$type.$ref.(!isModEnabled('multicompany') ? '' : $entity), $SECUREKEY, '0')) {
 	http_response_code(403);
 	print 'Bad value for securitykey. Value provided '.dol_escape_htmltag($SECUREKEY).' does not match expected value for ref='.dol_escape_htmltag($ref);
 	exit(-1);