diff --git a/lib/models/note.js b/lib/models/note.js
index 4e9a453e2..628eb2547 100644
--- a/lib/models/note.js
+++ b/lib/models/note.js
@@ -18,6 +18,7 @@ const S = require('string')
 // core
 const config = require('../config')
 const logger = require('../logger')
+const utils = require('../utils')
 
 // ot
 const ot = require('../ot')
@@ -191,9 +192,11 @@ module.exports = function (sequelize, DataTypes) {
       parseNoteIdByAlias: function (_callback) {
         // try to parse note id by alias (e.g. doc)
         Note.findOne({
-          where: {
-            alias: noteId
-          }
+          where: utils.isMySQL(sequelize)
+            ? sequelize.where(sequelize.fn('BINARY', sequelize.col('alias')), noteId)
+            : {
+                alias: noteId
+              }
         }).then(function (note) {
           if (note) {
             const filePath = path.join(config.docsPath, path.basename(noteId) + '.md')
@@ -296,9 +299,11 @@ module.exports = function (sequelize, DataTypes) {
         try {
           if (shortId.isValid(noteId)) {
             Note.findOne({
-              where: {
-                shortid: noteId
-              }
+              where: utils.isMySQL(sequelize)
+                ? sequelize.where(sequelize.fn('BINARY', sequelize.col('shortid')), noteId)
+                : {
+                    shortid: noteId
+                  }
             }).then(function (note) {
               if (!note) return _callback(null, null)
               return callback(null, note.id)
diff --git a/lib/utils.js b/lib/utils.js
index 1e6e76543..01b5eb172 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -4,6 +4,10 @@ exports.isSQLite = function isSQLite (sequelize) {
   return sequelize.options.dialect === 'sqlite'
 }
 
+exports.isMySQL = function isMySQL (sequelize) {
+  return ['mysql', 'mariadb'].includes(sequelize.options.dialect)
+}
+
 exports.getImageMimeType = function getImageMimeType (imagePath) {
   const fileExtension = /[^.]+$/.exec(imagePath)