diff --git a/htdocs/core/modules/propale/mod_propale_marbre.php b/htdocs/core/modules/propale/mod_propale_marbre.php
index 7889d62b3ff..28260de97d8 100644
--- a/htdocs/core/modules/propale/mod_propale_marbre.php
+++ b/htdocs/core/modules/propale/mod_propale_marbre.php
@@ -124,7 +124,7 @@ class mod_propale_marbre extends ModeleNumRefPropales
 		}
 		else
 		{
-			dol_syslog("mod_propale_marbre::getNextValue", LOG_DEBUG);
+			dol_syslog(get_class($this)."::getNextValue", LOG_DEBUG);
 			return -1;
 		}
 
@@ -134,7 +134,7 @@ class mod_propale_marbre extends ModeleNumRefPropales
 		if ($max >= (pow(10, 4) - 1)) $num=$max+1;	// If counter > 9999, we do not format on 4 chars, we take number as it is
 		else $num = sprintf("%04s",$max+1);
 
-		dol_syslog("mod_propale_marbre::getNextValue return ".$this->prefix.$yymm."-".$num);
+		dol_syslog(get_class($this)."::getNextValue return ".$this->prefix.$yymm."-".$num);
 		return $this->prefix.$yymm."-".$num;
 	}