diff --git a/htdocs/install/fileconf.php b/htdocs/install/fileconf.php
index f8dcdfe230b..54325f97ed4 100644
--- a/htdocs/install/fileconf.php
+++ b/htdocs/install/fileconf.php
@@ -695,7 +695,7 @@ function jscheckparam()
 	else if (! checkDatabaseName(document.forminstall.db_name.value))
 	{
 		ok=false;
-		alert('<?php echo dol_escape_js($langs->transnoentities("ErrorSpecialCharNotAllowedForField", $langs->transnoentitiesnoconv("DatabaseName"))); ?>');
+		alert('<?php echo dol_escape_js($langs->transnoentities("ErrorFieldCanNotContainSpecialCharacters", $langs->transnoentitiesnoconv("DatabaseName"))); ?>');
 	}
 	// If create database asked
 	else if (document.forminstall.db_create_database.checked == true && (document.forminstall.db_user_root.value == ''))
diff --git a/htdocs/langs/en_US/errors.lang b/htdocs/langs/en_US/errors.lang
index 056e2088611..e53220e661d 100644
--- a/htdocs/langs/en_US/errors.lang
+++ b/htdocs/langs/en_US/errors.lang
@@ -97,7 +97,6 @@ ErrorFieldValueNotIn=Field <b>%s</b>: '<b>%s</b>' is not a value found in field
 ErrorFieldRefNotIn=Field <b>%s</b>: '<b>%s</b>' is not a <b>%s</b> existing ref
 ErrorsOnXLines=%s errors found
 ErrorFileIsInfectedWithAVirus=The antivirus program was not able to validate the file (file might be infected by a virus)
-ErrorSpecialCharNotAllowedForField=Special characters are not allowed for field "%s"
 ErrorNumRefModel=A reference exists into database (%s) and is not compatible with this numbering rule. Remove record or renamed reference to activate this module.
 ErrorQtyTooLowForThisSupplier=Quantity too low for this vendor or no price defined on this product for this vendor
 ErrorOrdersNotCreatedQtyTooLow=Some orders haven't been created because of too-low quantities