diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index 8f4d5e9b8d7..b4d7f1a74df 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -1613,7 +1613,7 @@ class ExtraFields
 		if (!empty($extrafieldsobjectkey)) {
 			$label = $this->attributes[$extrafieldsobjectkey]['label'][$key];
 			$type = $this->attributes[$extrafieldsobjectkey]['type'][$key];
-			$size = $this->attributes[$extrafieldsobjectkey]['size'][$key];
+			$size = $this->attributes[$extrafieldsobjectkey]['size'][$key];			// Can be '255', '24,8'...
 			$default = $this->attributes[$extrafieldsobjectkey]['default'][$key];
 			$computed = $this->attributes[$extrafieldsobjectkey]['computed'][$key];
 			$unique = $this->attributes[$extrafieldsobjectkey]['unique'][$key];
@@ -1911,7 +1911,7 @@ class ExtraFields
 		} elseif ($type == 'password') {
 			$value = dol_trunc(preg_replace('/./i', '*', $value), 8, 'right', 'UTF-8', 1);
 		} else {
-			$showsize = round($size);
+			$showsize = round((float) $size);
 			if ($showsize > 48) {
 				$showsize = 48;
 			}