diff --git a/src/js/_enqueues/wp/shortcode.js b/src/js/_enqueues/wp/shortcode.js
index 8f02273ba7..bf3e1e21a0 100644
--- a/src/js/_enqueues/wp/shortcode.js
+++ b/src/js/_enqueues/wp/shortcode.js
@@ -227,8 +227,8 @@ window.wp = window.wp || {};
 			this.attrs = wp.shortcode.attrs( attrs );
 
 		// Identify a correctly formatted `attrs` object.
-		} else if ( _.isEqual( _.keys( attrs ), [ 'named', 'numeric' ] ) ) {
-			this.attrs = attrs;
+		} else if ( _.difference( _.keys( attrs ), [ 'named', 'numeric' ] ).length === 0 ) {
+			this.attrs = _.defaults( attrs, this.attrs );
 
 		// Handle a flat object of attributes.
 		} else {
diff --git a/tests/qunit/wp-includes/js/shortcode.js b/tests/qunit/wp-includes/js/shortcode.js
index 2fd3c54d4c..c7e269f955 100644
--- a/tests/qunit/wp-includes/js/shortcode.js
+++ b/tests/qunit/wp-includes/js/shortcode.js
@@ -212,4 +212,29 @@ jQuery( function() {
 
 		deepEqual( wp.shortcode.attrs('a="foo" b=\'bar\' c=baz foo "bar" \'baz\''), expected, 'attr parsed numeric attributes');
 	});
+
+	test( 'string() should accept attrs in any order', function() {
+		var expected = '[short abc123 foo="bar"]';
+		var result;
+
+		result = wp.shortcode.string({
+			tag   : 'short',
+			type  : 'single',
+			attrs : {
+				named   : { foo : 'bar' },
+				numeric : [ 'abc123' ]
+			}
+		});
+		deepEqual( result, expected, 'attributes are accepted in any order' );
+
+		result = wp.shortcode.string({
+			tag   : 'short',
+			type  : 'single',
+			attrs : {
+				numeric : [ 'abc123' ],
+				named   : { foo : 'bar' }
+			}
+		});
+		deepEqual( result, expected, 'attributes are accepted in any order' );
+	});
 });