diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 6c4be4bf97f..1153567e667 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -7836,7 +7836,7 @@ abstract class CommonObject
 					} else {
 						$sql .= " ORDER BY ".$this->db->sanitize(implode(', ', $fields_label));
 					}
-					$sql .= ' LIMIT ' . getDolGlobalString('MAIN_EXTRAFIELDS_LIMIT_SELLIST_SQL', 1000);
+					$sql .= ' LIMIT ' . getDolGlobalInt('MAIN_EXTRAFIELDS_LIMIT_SELLIST_SQL', 1000);
 					// print $sql;
 
 					dol_syslog(get_class($this) . '::showInputField type=sellist', LOG_DEBUG);
diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index 850082d9363..8419bf8e996 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -1499,7 +1499,7 @@ class ExtraFields
 					$sql .= $sqlwhere;
 
 					$sql .= ' ORDER BY '.implode(', ', $fields_label);
-					$sql .= ' LIMIT ' . getDolGlobalString('MAIN_EXTRAFIELDS_LIMIT_SELLIST_SQL', 1000);
+					$sql .= ' LIMIT ' . getDolGlobalInt('MAIN_EXTRAFIELDS_LIMIT_SELLIST_SQL', 1000);
 					// print $sql;
 
 					dol_syslog(get_class($this).'::showInputField type=sellist', LOG_DEBUG);