diff --git a/htdocs/emailcollector/class/emailcollector.class.php b/htdocs/emailcollector/class/emailcollector.class.php
index e3c96752691..4e6d35e0c3b 100644
--- a/htdocs/emailcollector/class/emailcollector.class.php
+++ b/htdocs/emailcollector/class/emailcollector.class.php
@@ -2034,7 +2034,7 @@ class EmailCollector extends CommonObject
 								}
 
 								if (get_class($objectemail) != 'Societe') {
-									$thirdpartyid = $objectemail->fk_soc;
+									$thirdpartyid = $objectemail->fk_soc ?? $objectemail->socid;
 								} else {
 									$thirdpartyid = $objectemail->id;
 								}