diff --git a/htdocs/core/modules/mailings/xinputfile.modules.php b/htdocs/core/modules/mailings/xinputfile.modules.php
index a026d4b53cf..e636c4885c7 100644
--- a/htdocs/core/modules/mailings/xinputfile.modules.php
+++ b/htdocs/core/modules/mailings/xinputfile.modules.php
@@ -180,7 +180,8 @@ class mailing_xinputfile extends MailingTargets
 					        	$i++;
 					        	$langs->load("errors");
 							$msg = $langs->trans("ErrorFoundBadEmailInFile",$i,$cpt,$email);
-					        	if(!empty($msg)) $this->error = $msg;
+					        	if (!empty($msg)) $this->error = $msg;
+							else $this->error = 'ErrorFoundBadEmailInFile '.$i.' '.$cpt.' '.$email;	// We experience case where $langs->trans return an empty string.
 					        }
 				        }
 				    }