diff --git a/plugins/dump-alter.php b/plugins/dump-alter.php
index d9e3049c..5c9f6b73 100644
--- a/plugins/dump-alter.php
+++ b/plugins/dump-alter.php
@@ -34,7 +34,7 @@ CREATE PROCEDURE adminer_alter (INOUT alter_command text) BEGIN
 			echo "
 			WHEN " . Adminer\q($row["TABLE_NAME"]) . " THEN
 				" . (isset($row["ENGINE"]) ? "IF _engine != '$row[ENGINE]' OR _table_collation != '$row[TABLE_COLLATION]' OR _table_comment != $comment THEN
-					ALTER TABLE " . idf_escape($row["TABLE_NAME"]) . " ENGINE=$row[ENGINE] COLLATE=$row[TABLE_COLLATION] COMMENT=$comment;
+					ALTER TABLE " . Adminer\idf_escape($row["TABLE_NAME"]) . " ENGINE=$row[ENGINE] COLLATE=$row[TABLE_COLLATION] COMMENT=$comment;
 				END IF" : "BEGIN END") . ";";
 		}
 		echo "
@@ -92,14 +92,14 @@ CREATE PROCEDURE adminer_alter (INOUT alter_command text) BEGIN
 					$row["default"] = ($default !== null ? Adminer\q($default) : "NULL");
 					$row["after"] = Adminer\q($after); //! rgt AFTER lft, lft AFTER id doesn't work
 					$row["alter"] = Adminer\escape_string(
-						idf_escape($row["COLUMN_NAME"])
+						Adminer\idf_escape($row["COLUMN_NAME"])
 						. " $row[COLUMN_TYPE]"
 						. ($row["COLLATION_NAME"] ? " COLLATE $row[COLLATION_NAME]" : "")
 						. ($default !== null ? " DEFAULT " . ($default == "CURRENT_TIMESTAMP" ? $default : $row["default"]) : "")
 						. ($row["IS_NULLABLE"] == "YES" ? "" : " NOT NULL")
 						. ($row["EXTRA"] ? " $row[EXTRA]" : "")
 						. ($row["COLUMN_COMMENT"] ? " COMMENT " . Adminer\q($row["COLUMN_COMMENT"]) : "")
-						. ($after ? " AFTER " . idf_escape($after) : " FIRST")
+						. ($after ? " AFTER " . Adminer\idf_escape($after) : " FIRST")
 					);
 					echo ", ADD $row[alter]";
 					$fields[] = $row;
diff --git a/plugins/edit-foreign.php b/plugins/edit-foreign.php
index 975fe9d4..57f9ad6d 100644
--- a/plugins/edit-foreign.php
+++ b/plugins/edit-foreign.php
@@ -26,7 +26,7 @@ class AdminerEditForeign {
 				$id = $foreignKey["target"][0];
 				$options = &$values[$target][$id];
 				if (!$options) {
-					$column = idf_escape($id);
+					$column = Adminer\idf_escape($id);
 					if (preg_match('~binary~', $field["type"])) {
 						$column = "HEX($column)";
 					}
diff --git a/plugins/login-table.php b/plugins/login-table.php
index 15141064..64cd6c10 100644
--- a/plugins/login-table.php
+++ b/plugins/login-table.php
@@ -28,6 +28,6 @@ class AdminerLoginTable {
 
 	function login($login, $password) {
 		$connection = Adminer\connection();
-		return (bool) $connection->result("SELECT COUNT(*) FROM " . idf_escape($this->database) . ".login WHERE login = " . Adminer\q($login) . " AND password_sha1 = " . Adminer\q(sha1($password)));
+		return (bool) $connection->result("SELECT COUNT(*) FROM " . Adminer\idf_escape($this->database) . ".login WHERE login = " . Adminer\q($login) . " AND password_sha1 = " . Adminer\q(sha1($password)));
 	}
 }