diff --git a/common.php b/common.php
index e0a932f..7e2a904 100644
--- a/common.php
+++ b/common.php
@@ -7,7 +7,9 @@ if (file_exists(__DIR__.'/config.php')) {
 }
 
 defined('APP_VERSION') or define('APP_VERSION', Helper\parse_app_version('$Format:%d$','$Format:%H$'));
+
 defined('HTTP_TIMEOUT') or define('HTTP_TIMEOUT', 20);
+defined('HTTP_MAX_RESPONSE_SIZE') or define('HTTP_MAX_RESPONSE_SIZE', 2097152);
 
 defined('BASE_URL_DIRECTORY') or define('BASE_URL_DIRECTORY', dirname($_SERVER['PHP_SELF']));
 defined('ROOT_DIRECTORY') or define('ROOT_DIRECTORY', __DIR__);
diff --git a/config.default.php b/config.default.php
index 0145cac..204d752 100644
--- a/config.default.php
+++ b/config.default.php
@@ -3,6 +3,9 @@
 // HTTP_TIMEOUT => default value is 20 seconds (Maximum time to fetch a feed)
 define('HTTP_TIMEOUT', '20');
 
+// HTTP_MAX_RESPONSE_SIZE => Maximum accepted size of the response body in MB (default 2MB)
+defined('HTTP_MAX_RESPONSE_SIZE') or define('HTTP_MAX_RESPONSE_SIZE', 2097152);
+
 // DATA_DIRECTORY => default is data (writable directory)
 define('DATA_DIRECTORY', __DIR__.'/data');
 
diff --git a/docs/config.markdown b/docs/config.markdown
index c27678a..5863750 100644
--- a/docs/config.markdown
+++ b/docs/config.markdown
@@ -17,6 +17,9 @@ Actually, the following constants can be overrided:
 // HTTP_TIMEOUT => default value is 20 seconds (Maximum time to fetch a feed)
 define('HTTP_TIMEOUT', '20');
 
+// HTTP_MAX_RESPONSE_SIZE => Maximum accepted size of the response body in MB (default 2MB)
+defined('HTTP_MAX_RESPONSE_SIZE') or define('HTTP_MAX_RESPONSE_SIZE', 2097152);
+
 // DATA_DIRECTORY => default is data (writable directory)
 define('DATA_DIRECTORY', __DIR__.'/data');
 
diff --git a/models/config.php b/models/config.php
index 3754296..d498a76 100644
--- a/models/config.php
+++ b/models/config.php
@@ -21,6 +21,7 @@ function get_reader_config()
     // Client
     $config->setClientTimeout(HTTP_TIMEOUT);
     $config->setClientUserAgent(HTTP_USER_AGENT);
+    $config->setMaxBodySize(HTTP_MAX_RESPONSE_SIZE);
 
     // Grabber
     $config->setGrabberRulesFolder(RULES_DIRECTORY);