diff --git a/conf/LocalSettings.php b/conf/LocalSettings.php
index f6a0646..0b0c42d 100644
--- a/conf/LocalSettings.php
+++ b/conf/LocalSettings.php
@@ -156,11 +156,15 @@ enableSemantics( getenv("SEMANTIC_URL") );
 # Set Subpages on
 $wgNamespacesWithSubpages[NS_MAIN] = 1;
 
+ini_set('display_errors', '0');
+ini_set('display_startup_errors', '0');
 # Enable long error messages
 if (getenv("DEBUG")) {
     $wgShowExceptionDetails = true;
     $wgShowDBErrorBacktrace = true;
     $wgShowSQLErrors = true;
+    ini_set("display_errors", 1);
+    ini_set('display_startup_errors', '1');
 }
 
 #  Local configuration for MediaWiki