diff --git a/htdocs/resource/class/html.formresource.class.php b/htdocs/resource/class/html.formresource.class.php
index fa775bf5d58..a541dfab700 100644
--- a/htdocs/resource/class/html.formresource.class.php
+++ b/htdocs/resource/class/html.formresource.class.php
@@ -225,7 +225,8 @@ class FormResource
 					$value = ($maxlength ?dol_trunc($arraytypes['label'], $maxlength) : $arraytypes['label']);
 				} elseif ($format == 3) {
 					$value = $arraytypes['code'];
-				} else {
+				}
+				if (empty($value)) {
 					$value = ' ';
 				}
 				print $value;