diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 6634ccd7fcd..9f252879fda 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -7892,7 +7892,7 @@ abstract class CommonObject
 		}
 
 		// Delete cascade first
-		if (is_array($this->childtablesoncascade)) {
+		if (is_array($this->childtablesoncascade) && !empty($this->childtablesoncascade)) {
             foreach ($this->childtablesoncascade as $table)
             {
 	            $deleteFromObject = explode(':', $table);