diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 5f1c193719e..bdaabfa0c2d 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -145,6 +145,31 @@ if (! function_exists('json_decode'))
 	}
 }
 
+/**
+ * Enter description here ...
+ * 
+ * @param string $class
+ * @param string $member
+ * @return void
+ */
+function getStaticMember($class, $member)
+{
+	if (is_object($class)) $class = get_class($class);
+	$classObj = new ReflectionClass($class);
+	$result = null;
+	
+	foreach($classObj->getStaticProperties() as $prop => $value)
+	{
+		if($prop == $member)
+		{
+			$result = $value;
+			break;
+		}
+	}
+	
+	return $result;
+}
+
 
 /**
  * Return a DoliDB instance (database handler).
diff --git a/htdocs/install/fileconf.php b/htdocs/install/fileconf.php
index 9ac1f1eac7f..05f9a556d43 100644
--- a/htdocs/install/fileconf.php
+++ b/htdocs/install/fileconf.php
@@ -284,8 +284,8 @@ if (! empty($force_install_message))
                     include_once($dir."/".$file);
 
 		            // Version min of database
-                    $versionbasemin=$class::$versionmin;
-                    $note='('.$class::$label.' >= '.versiontostring($versionbasemin).')';
+                    $versionbasemin=getStaticMember($class, 'versionmin');
+                    $note='('.getStaticMember($class, 'label').' >= '.versiontostring($versionbasemin).')';
 
 		            // Switch to mysql if mysqli is not present
 		            if ($defaultype=='mysqli' && !function_exists('mysqli_connect')) $defaultype = 'mysql';