diff --git a/CHANGES.md b/CHANGES.md
index f5d2564dc63..28e017b1a8d 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -13,6 +13,7 @@ New Features:
 
 Fixed Issues:
 
+* [#11753](http://dev.ckeditor.com/ticket/11753): Fixed: Issue with wrong checkDirty value.
 * [#11830](http://dev.ckeditor.com/ticket/11830): Fixed: Issue with passing arguments into CKBuilder.
 * [#11757](http://dev.ckeditor.com/ticket/11757): Fixed: Imperfections in the [Moono](http://ckeditor.com/addon/moono) skin. Thanks to [danyaPostfactum](https://github.com/danyaPostfactum)!
 * [#10091](http://dev.ckeditor.com/ticket/10091): Blockquote should be treated like an object by the styles system. Thanks to [dan-james-deeson](https://github.com/dan-james-deeson)!
diff --git a/core/selection.js b/core/selection.js
index a63cf4f0d76..dc03515d7c9 100644
--- a/core/selection.js
+++ b/core/selection.js
@@ -278,9 +278,13 @@
 		var hiddenEl = editor._.hiddenSelectionContainer;
 
 		if ( hiddenEl ) {
+			var isDirty = editor.checkDirty();
+
 			editor.fire( 'lockSnapshot' );
 			hiddenEl.remove();
 			editor.fire( 'unlockSnapshot' );
+
+			!isDirty && editor.resetDirty();
 		}
 
 		delete editor._.hiddenSelectionContainer;
diff --git a/plugins/widget/plugin.js b/plugins/widget/plugin.js
index 76a8430fab2..6968249524c 100644
--- a/plugins/widget/plugin.js
+++ b/plugins/widget/plugin.js
@@ -1196,9 +1196,14 @@
 
 			// Fake the selection before focusing editor, to avoid unpreventable viewports scrolling
 			// on Webkit/Blink/IE which is done because there's no selection or selection was somewhere else than widget.
-			if ( sel )
+			if ( sel ) {
+				var isDirty = this.editor.checkDirty();
+
 				sel.fake( this.wrapper );
 
+				!isDirty && this.editor.resetDirty();
+			}
+
 			// Always focus editor (not only when focusManger.hasFocus is false) (because of #10483).
 			this.editor.focus();
 		},
@@ -1701,9 +1706,13 @@
 		widgetsRepo.focused = null;
 
 		if ( widget.isInited() ) {
+			var isDirty = widget.editor.checkDirty();
+
 			// Widget could be destroyed in the meantime - e.g. data could be set.
 			widgetsRepo.fire( 'widgetBlurred', { widget: widget } );
 			widget.setFocused( false );
+
+			!isDirty && widget.editor.resetDirty();
 		}
 	}
 
@@ -2631,7 +2640,7 @@
 
 			commit: function() {
 				var focusedChanged = widgetsRepo.focused !== focused,
-					widget;
+					widget, isDirty;
 
 				widgetsRepo.editor.fire( 'lockSnapshot' );
 
@@ -2641,14 +2650,23 @@
 				while ( ( widget = toBeDeselected.pop() ) ) {
 					currentlySelected.splice( CKEDITOR.tools.indexOf( currentlySelected, widget ), 1 );
 					// Widget could be destroyed in the meantime - e.g. data could be set.
-					if ( widget.isInited() )
+					if ( widget.isInited() ) {
+						isDirty = widget.editor.checkDirty();
+
 						widget.setSelected( false );
+
+						!isDirty && widget.editor.resetDirty();
+					}
 				}
 
 				if ( focusedChanged && focused ) {
+					isDirty = widgetsRepo.editor.checkDirty();
+
 					widgetsRepo.focused = focused;
 					widgetsRepo.fire( 'widgetFocused', { widget: focused } );
 					focused.setFocused( true );
+
+					!isDirty && widgetsRepo.editor.resetDirty();
 				}
 
 				while ( ( widget = toBeSelected.pop() ) ) {
diff --git a/tests/plugins/widget/checkdirty.js b/tests/plugins/widget/checkdirty.js
new file mode 100644
index 00000000000..7249b870a67
--- /dev/null
+++ b/tests/plugins/widget/checkdirty.js
@@ -0,0 +1,62 @@
+/* bender-ckeditor-plugins: widget */
+
+(function() {
+	'use strict';
+
+	bender.test( {
+		'async:init': function() {
+			var tc = this;
+
+			bender.tools.setUpEditors( {
+				editor: {
+					name: 'editor1',
+					startupData: '<b id="one" data-widget="testwidget">foo</b><b id="two" data-widget="testwidget">foo</b>',
+					config: {
+						allowedContent: true,
+						on: {
+							pluginsLoaded: function( evt ) {
+								var ed = evt.editor;
+
+								ed.widgets.add( 'testwidget', {} );
+							}
+						}
+					}
+				}
+			}, function( editors, bots ) {
+				tc.editor = bots.editor.editor;
+
+				tc.callback();
+			} );
+		},
+
+		'test check dirty is false after widget focus': function() {
+			var widget = this.editor.widgets.instances[ 1 ];
+
+			assert.isFalse( this.editor.checkDirty() );
+			widget.focus();
+			assert.isFalse( this.editor.checkDirty() );
+		},
+
+		'test check dirty is true after modifications': function() {
+			var widget = this.editor.widgets.instances[ 1 ];
+
+			assert.isFalse( this.editor.checkDirty() );
+
+			// Clear selection
+			var range = this.editor.createRange();
+			var lastElement = this.editor.document.getById( 'two' );
+			range.moveToPosition( lastElement, CKEDITOR.POSITION_BEFORE_END );
+			this.editor.getSelection().selectRanges( [ range ] );
+
+			assert.isFalse( this.editor.checkDirty() );
+
+			// Make some changes in editor
+			widget.addClass( 'test' );
+
+			assert.isTrue( this.editor.checkDirty() );
+			widget.focus();
+			assert.isTrue( this.editor.checkDirty() );
+		}
+	} );
+
+})();
\ No newline at end of file