diff --git a/LocalSettings.php b/LocalSettings.php
index deb4a25c6a..c6645bad90 100644
--- a/LocalSettings.php
+++ b/LocalSettings.php
@@ -12,6 +12,9 @@
 
 setlocale( LC_ALL, 'en_GB.UTF-8' );
 
+// 1400MiB
+ini_set( 'memory_limit', 1400 * 1024 * 1024 );
+
 // Configure PHP request timeouts.
 if ( PHP_SAPI === 'cli' ) {
 	$wgRequestTimeLimit = 0;