diff --git a/app/Controllers/extensionController.php b/app/Controllers/extensionController.php
index ec5eecadb..b6d2d3fe4 100644
--- a/app/Controllers/extensionController.php
+++ b/app/Controllers/extensionController.php
@@ -25,7 +25,7 @@ class FreshRSS_extension_Controller extends Minz_ActionController {
 			'user' => array(),
 		);
 
-		$extensions = Minz_ExtensionManager::list_extensions();
+		$extensions = Minz_ExtensionManager::listExtensions();
 		foreach ($extensions as $ext) {
 			$this->view->extension_list[$ext->getType()][] = $ext;
 		}
@@ -50,7 +50,7 @@ class FreshRSS_extension_Controller extends Minz_ActionController {
 		}
 
 		$ext_name = urldecode(Minz_Request::param('e'));
-		$ext = Minz_ExtensionManager::find_extension($ext_name);
+		$ext = Minz_ExtensionManager::findExtension($ext_name);
 
 		if (is_null($ext)) {
 			Minz_Error::error(404);
@@ -77,7 +77,7 @@ class FreshRSS_extension_Controller extends Minz_ActionController {
 
 		if (Minz_Request::isPost()) {
 			$ext_name = urldecode(Minz_Request::param('e'));
-			$ext = Minz_ExtensionManager::find_extension($ext_name);
+			$ext = Minz_ExtensionManager::findExtension($ext_name);
 
 			if (is_null($ext)) {
 				Minz_Request::bad(_t('feedback.extensions.not_found', $ext_name),
@@ -133,7 +133,7 @@ class FreshRSS_extension_Controller extends Minz_ActionController {
 
 		if (Minz_Request::isPost()) {
 			$ext_name = urldecode(Minz_Request::param('e'));
-			$ext = Minz_ExtensionManager::find_extension($ext_name);
+			$ext = Minz_ExtensionManager::findExtension($ext_name);
 
 			if (is_null($ext)) {
 				Minz_Request::bad(_t('feedback.extensions.not_found', $ext_name),
@@ -193,7 +193,7 @@ class FreshRSS_extension_Controller extends Minz_ActionController {
 
 		if (Minz_Request::isPost()) {
 			$ext_name = urldecode(Minz_Request::param('e'));
-			$ext = Minz_ExtensionManager::find_extension($ext_name);
+			$ext = Minz_ExtensionManager::findExtension($ext_name);
 
 			if (is_null($ext)) {
 				Minz_Request::bad(_t('feedback.extensions.not_found', $ext_name),
diff --git a/app/FreshRSS.php b/app/FreshRSS.php
index 785b10299..021687999 100644
--- a/app/FreshRSS.php
+++ b/app/FreshRSS.php
@@ -53,7 +53,7 @@ class FreshRSS extends Minz_FrontController {
 		// Enable extensions for the current (logged) user.
 		if (FreshRSS_Auth::hasAccess()) {
 			$ext_list = FreshRSS_Context::$user_conf->extensions_enabled;
-			Minz_ExtensionManager::enable_by_list($ext_list);
+			Minz_ExtensionManager::enableByList($ext_list);
 		}
 	}
 
diff --git a/lib/Minz/ExtensionManager.php b/lib/Minz/ExtensionManager.php
index 3df72abb7..8369e242a 100644
--- a/lib/Minz/ExtensionManager.php
+++ b/lib/Minz/ExtensionManager.php
@@ -52,7 +52,7 @@ class Minz_ExtensionManager {
 			}
 			$meta_raw_content = file_get_contents($metadata_filename);
 			$meta_json = json_decode($meta_raw_content, true);
-			if (!$meta_json || !self::is_valid_metadata($meta_json)) {
+			if (!$meta_json || !self::isValidMetadata($meta_json)) {
 				// metadata.json is not a json file? Invalid!
 				// or metadata.json is invalid (no required information), invalid!
 				Minz_Log::warning('`' . $metadata_filename . '` is not a valid metadata file');
@@ -81,7 +81,7 @@ class Minz_ExtensionManager {
 	 * @param $meta is an array of values.
 	 * @return true if the array is valid, false else.
 	 */
-	public static function is_valid_metadata($meta) {
+	public static function isValidMetadata($meta) {
 		$valid_chars = array('_');
 		return !(empty($meta['name']) ||
 		         empty($meta['entrypoint']) ||
@@ -168,7 +168,7 @@ class Minz_ExtensionManager {
 	 *
 	 * @param $ext_list the names of extensions we want to load.
 	 */
-	public static function enable_by_list($ext_list) {
+	public static function enableByList($ext_list) {
 		foreach ($ext_list as $ext_name) {
 			self::enable($ext_name);
 		}
@@ -180,7 +180,7 @@ class Minz_ExtensionManager {
 	 * @param $only_enabled if true returns only the enabled extensions (false by default).
 	 * @return an array of extensions.
 	 */
-	public static function list_extensions($only_enabled = false) {
+	public static function listExtensions($only_enabled = false) {
 		if ($only_enabled) {
 			return self::$ext_list_enabled;
 		} else {
@@ -194,7 +194,7 @@ class Minz_ExtensionManager {
 	 * @param $ext_name the name of the extension.
 	 * @return the corresponding extension or null if it doesn't exist.
 	 */
-	public static function find_extension($ext_name) {
+	public static function findExtension($ext_name) {
 		if (!isset(self::$ext_list[$ext_name])) {
 			return null;
 		}