diff --git a/classes/dbupdater.php b/classes/dbupdater.php
index 3cc6e9125..e923c7fcb 100644
--- a/classes/dbupdater.php
+++ b/classes/dbupdater.php
@@ -11,16 +11,16 @@ class DbUpdater {
 		$this->need_version = (int) $need_version;
 	}
 
-	function getSchemaVersion() {
+	function get_schema_version() {
 		$row = $this->pdo->query("SELECT schema_version FROM ttrss_version")->fetch();
 		return (int) $row['schema_version'];
 	}
 
-	function isUpdateRequired() {
-		return $this->getSchemaVersion() < $this->need_version;
+	function is_update_required() {
+		return $this->get_schema_version() < $this->need_version;
 	}
 
-	function getSchemaLines($version) {
+	function get_schema_lines($version) {
 		$filename = "schema/versions/".$this->db_type."/$version.sql";
 
 		if (file_exists($filename)) {
@@ -31,10 +31,10 @@ class DbUpdater {
 		}
 	}
 
-	function performUpdateTo($version, $html_output = true) {
-		if ($this->getSchemaVersion() == $version - 1) {
+	function update_to($version, $html_output = true) {
+		if ($this->get_schema_version() == $version - 1) {
 
-			$lines = $this->getSchemaLines($version);
+			$lines = $this->get_schema_lines($version);
 
 			if (is_array($lines)) {
 
@@ -63,7 +63,7 @@ class DbUpdater {
 					}
 				}
 
-				$db_version = $this->getSchemaVersion();
+				$db_version = $this->get_schema_version();
 
 				if ($db_version == $version) {
 					$this->pdo->commit();
diff --git a/classes/handler/public.php b/classes/handler/public.php
index 6ea02c361..ca963d111 100755
--- a/classes/handler/public.php
+++ b/classes/handler/public.php
@@ -1143,17 +1143,17 @@ class Handler_Public extends Handler {
 				$updater = new DbUpdater(Db::pdo(), DB_TYPE, SCHEMA_VERSION);
 
 				if ($op == "performupdate") {
-					if ($updater->isUpdateRequired()) {
+					if ($updater->is_update_required()) {
 
 						print "<h2>" . T_sprintf("Performing updates to version %d", SCHEMA_VERSION) . "</h2>";
 
-						for ($i = $updater->getSchemaVersion() + 1; $i <= SCHEMA_VERSION; $i++) {
+						for ($i = $updater->get_schema_version() + 1; $i <= SCHEMA_VERSION; $i++) {
 							print "<ul>";
 
 							print "<li class='text-info'>" . T_sprintf("Updating to version %d", $i) . "</li>";
 
 							print "<li>";
-							$result = $updater->performUpdateTo($i, true);
+							$result = $updater->update_to($i, true);
 							print "</li>";
 
 							if (!$result) {
@@ -1184,10 +1184,10 @@ class Handler_Public extends Handler {
 						print "<a href='index.php'>".__("Return to Tiny Tiny RSS")."</a>";
 					}
 				} else {
-					if ($updater->isUpdateRequired()) {
+					if ($updater->is_update_required()) {
 
 						print "<h2>".T_sprintf("Tiny Tiny RSS database needs update to the latest version (%d to %d).",
-							$updater->getSchemaVersion(), SCHEMA_VERSION)."</h2>";
+							$updater->get_schema_version(), SCHEMA_VERSION)."</h2>";
 
 						if (DB_TYPE == "mysql") {
 							print_error("<strong>READ THIS:</strong> Due to MySQL limitations, your database is not completely protected while updating. ".
diff --git a/update.php b/update.php
index 56158ca48..cb927e49a 100755
--- a/update.php
+++ b/update.php
@@ -380,8 +380,8 @@
 
 		$updater = new DbUpdater(Db::pdo(), DB_TYPE, SCHEMA_VERSION);
 
-		if ($updater->isUpdateRequired()) {
-			Debug::log("Schema update required, version " . $updater->getSchemaVersion() . " to " . SCHEMA_VERSION);
+		if ($updater->is_update_required()) {
+			Debug::log("Schema update required, version " . $updater->get_schema_version() . " to " . SCHEMA_VERSION);
 
 			if (DB_TYPE == "mysql")
 				Debug::Log("READ THIS: Due to MySQL limitations, your database is not completely protected while updating.\n".
@@ -400,10 +400,10 @@
 
 			Debug::log("Performing updates to version " . SCHEMA_VERSION . "...");
 
-			for ($i = $updater->getSchemaVersion() + 1; $i <= SCHEMA_VERSION; $i++) {
+			for ($i = $updater->get_schema_version() + 1; $i <= SCHEMA_VERSION; $i++) {
 				Debug::log("* Updating to version $i...");
 
-				$result = $updater->performUpdateTo($i, false);
+				$result = $updater->update_to($i, false);
 
 				if ($result) {
 					Debug::log("* Completed.");