diff --git a/CHANGES.md b/CHANGES.md
index 12c78cf164c..16739a73212 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -9,6 +9,7 @@ Fixed Issues:
 * [#13434](http://dev.ckeditor.com/ticket/13434): [IE8-9] Fixed: One drag&drop operation may affect following ones.
 * [#13129](http://dev.ckeditor.com/ticket/13129) Fixed: Block widget blurred after drop followed by undo.
 * [#13468](http://dev.ckeditor.com/ticket/13468): [IE] Fixed: Binding drag&drop `dataTransfer` does not work if `text` data was set in the meantime.
+* [#13419](http://dev.ckeditor.com/ticket/13419): Fixed: [Auto Link](http://ckeditor.com/addon/autolink) plugin does not encode double quotes in URLs.
 
 ## CKEditor 4.5.1
 
diff --git a/plugins/autolink/plugin.js b/plugins/autolink/plugin.js
index 56852682fe0..f5a1933e2c3 100644
--- a/plugins/autolink/plugin.js
+++ b/plugins/autolink/plugin.js
@@ -3,34 +3,40 @@
  * For licensing, see LICENSE.md or http://ckeditor.com/license
  */
 
-'use strict';
-
-CKEDITOR.plugins.add( 'autolink', {
-	requires: 'clipboard',
-
-	init: function( editor ) {
-		editor.on( 'paste', function( evt ) {
-			var data = evt.data.dataValue;
-
-			if ( evt.data.dataTransfer.getTransferType( editor ) == CKEDITOR.DATA_TRANSFER_INTERNAL ) {
-				return;
-			}
-
-			// If we found "<" it means that most likely there's some tag and we don't want to touch it.
-			if ( data.indexOf( '<' ) > -1 ) {
-				return;
-			}
-
-			// Regex by Imme Emosol.
-			data = data.replace( /^(https?|ftp):\/\/(-\.)?([^\s\/?\.#-]+\.?)+(\/[^\s]*)?[^\s\.,]$/ig , '<a href="$&">$&</a>' );
-
-			// If link was discovered, change the type to 'html'. This is important e.g. when pasting plain text in Chrome
-			// where real type is correctly recognized.
-			if ( data != evt.data.dataValue ) {
-				evt.data.type = 'html';
-			}
-
-			evt.data.dataValue = data;
-		} );
-	}
-} );
\ No newline at end of file
+( function() {
+	'use strict';
+
+	// Regex by Imme Emosol.
+	var validUrlRegex = /^(https?|ftp):\/\/(-\.)?([^\s\/?\.#-]+\.?)+(\/[^\s]*)?[^\s\.,]$/ig,
+		doubleQuoteRegex = /"/g;
+
+	CKEDITOR.plugins.add( 'autolink', {
+		requires: 'clipboard',
+
+		init: function( editor ) {
+			editor.on( 'paste', function( evt ) {
+				var data = evt.data.dataValue;
+
+				if ( evt.data.dataTransfer.getTransferType( editor ) == CKEDITOR.DATA_TRANSFER_INTERNAL ) {
+					return;
+				}
+
+				// If we found "<" it means that most likely there's some tag and we don't want to touch it.
+				if ( data.indexOf( '<' ) > -1 ) {
+					return;
+				}
+
+				// #13419
+				data = data.replace( validUrlRegex , '<a href="' + data.replace( doubleQuoteRegex, '%22' ) + '">$&</a>' );
+
+				// If link was discovered, change the type to 'html'. This is important e.g. when pasting plain text in Chrome
+				// where real type is correctly recognized.
+				if ( data != evt.data.dataValue ) {
+					evt.data.type = 'html';
+				}
+
+				evt.data.dataValue = data;
+			} );
+		}
+	} );
+} )();
\ No newline at end of file
diff --git a/tests/plugins/autolink/autolink.js b/tests/plugins/autolink/autolink.js
index 04cbca2bcb2..43cc89d34aa 100644
--- a/tests/plugins/autolink/autolink.js
+++ b/tests/plugins/autolink/autolink.js
@@ -47,6 +47,14 @@ bender.test( {
 		}
 	},
 
+	// #13419
+	'test link with quotation marks': function() {
+		var pastedText = 'https://foo.bar/?bam="bom"',
+			expected = '<a href="https://foo.bar/?bam=%22bom%22">https://foo.bar/?bam="bom"</a>';
+
+		assertPasteEvent( this.editor, { dataValue: pastedText }, { dataValue: expected, type: 'html' } );
+	},
+
 	'test link with text after': function() {
 		var pastedText = 'https://placekitten.com/g/210/300 nope';