diff --git a/apps/common/main/lib/view/OpenDialog.js b/apps/common/main/lib/view/OpenDialog.js
index ad039555aa..1e2f7fa3f2 100644
--- a/apps/common/main/lib/view/OpenDialog.js
+++ b/apps/common/main/lib/view/OpenDialog.js
@@ -207,6 +207,7 @@ define([
                         type: 'password',
                         showCls: (this.options.iconType==='svg' ? 'svg-icon' : 'toolbar__icon') + ' btn-sheet-view',
                         hideCls: (this.options.iconType==='svg' ? 'svg-icon' : 'toolbar__icon') + ' hide-password',
+                        maxLength: this.options.maxPasswordLength,
                         validateOnBlur: false,
                         showPwdOnClick: true,
                         validation  : function(value) {
diff --git a/apps/documenteditor/main/app/controller/DocProtection.js b/apps/documenteditor/main/app/controller/DocProtection.js
index 1910542ab0..3174987a19 100644
--- a/apps/documenteditor/main/app/controller/DocProtection.js
+++ b/apps/documenteditor/main/app/controller/DocProtection.js
@@ -147,6 +147,7 @@ define([
                         type: Common.Utils.importTextType.DRM,
                         txtOpenFile: me.view.txtWBUnlockDescription,
                         validatePwd: false,
+                        maxPasswordLength: 15,
                         handler: function (result, value) {
                             btn = result;
                             if (result == 'ok') {
diff --git a/apps/documenteditor/main/app/view/ProtectDialog.js b/apps/documenteditor/main/app/view/ProtectDialog.js
index 75376afe06..8c41dccea3 100644
--- a/apps/documenteditor/main/app/view/ProtectDialog.js
+++ b/apps/documenteditor/main/app/view/ProtectDialog.js
@@ -99,7 +99,7 @@ define([
                 type: 'password',
                 allowBlank  : true,
                 style       : 'width: 100%;',
-                maxLength: 255,
+                maxLength: 15,
                 validateOnBlur: false,
                 validation  : function(value) {
                     return me.txtIncorrectPwd;
@@ -111,7 +111,7 @@ define([
                 type: 'password',
                 allowBlank  : true,
                 style       : 'width: 100%;',
-                maxLength: 255,
+                maxLength: 15,
                 validateOnBlur: false,
                 repeatInput: this.repeatPwd,
                 showPwdOnClick: true