diff --git a/html/includes/graphs/device/ucd_load.inc.php b/html/includes/graphs/device/ucd_load.inc.php
index 365b968ab..8106ad2bb 100644
--- a/html/includes/graphs/device/ucd_load.inc.php
+++ b/html/includes/graphs/device/ucd_load.inc.php
@@ -1,5 +1,7 @@
 <?php
 
+$scale_min = "0";
+
 include("includes/graphs/common.inc.php");
 $device = device_by_id_cache($id);
 
diff --git a/includes/static-config.php b/includes/static-config.php
index c250e9d24..89a6ee0fe 100644
--- a/includes/static-config.php
+++ b/includes/static-config.php
@@ -736,7 +736,7 @@ if(!isset($config['log_file']))
   $config['log_file']     = $config['install_dir'] . "/observium.log";
 }
 
-if(isset($config['mibdir'])) 
+if(!isset($config['mibdir'])) 
 {
   $config['mibdir'] =  $config['install_dir']."/mibs/";
 }