diff --git a/Readme.md b/Readme.md
index 4651523e2..abb8ccd30 100755
--- a/Readme.md
+++ b/Readme.md
@@ -22,7 +22,7 @@ Requirements
         * gd
         * curl
     * safe_mode off
-    * memory_limit at least 150M, preferably 256.
+    * memory_limit at least 128M, preferably 256.
     * post_max_size 20M
     * upload_max_filesize 2M
 * apache 2
diff --git a/core/lib/Thelia/Install/CheckPermission.php b/core/lib/Thelia/Install/CheckPermission.php
index 6a9a5245e..efdaf6f04 100644
--- a/core/lib/Thelia/Install/CheckPermission.php
+++ b/core/lib/Thelia/Install/CheckPermission.php
@@ -58,7 +58,7 @@ class CheckPermission extends BaseInstall
 
     /** @var array Minimum server configuration necessary */
     protected $minServerConfigurationNecessary = array(
-        'memory_limit' => 157286400,
+        'memory_limit' => 134217728,
         'post_max_size' => 20971520,
         'upload_max_filesize' => 2097152
     );