Index: src/wp-admin/js/user-profile.js
===================================================================
--- src/wp-admin/js/user-profile.js	(revision 34096)
+++ src/wp-admin/js/user-profile.js	(working copy)
@@ -32,7 +32,7 @@
 			setTimeout( generatePassword, 50 );
 		} else {
 			$pass1.val( $pass1.data( 'pw' ) );
-			$pass1.trigger( 'pwupdate' );
+			$pass1.trigger( 'pwupdate' ).trigger( 'wp-check-valid-field' );
 			if ( 1 !== parseInt( $toggleButton.data( 'start-masked' ), 10 ) ) {
 				$pass1Wrap.addClass( 'show-password' );
 			} else {
Index: src/wp-includes/js/wp-ajax-response.js
===================================================================
--- src/wp-includes/js/wp-ajax-response.js	(revision 34096)
+++ src/wp-includes/js/wp-ajax-response.js	(working copy)
@@ -50,7 +50,7 @@
 		return true;
 	},
 	invalidateForm: function ( selector ) {
-		return jQuery( selector ).addClass( 'form-invalid' ).find('input').one( 'change', function() { jQuery(this).closest('.form-invalid').removeClass( 'form-invalid' ); } );
+		return jQuery( selector ).addClass( 'form-invalid' ).find('input').one( 'change wp-check-valid-field', function() { jQuery(this).closest('.form-invalid').removeClass( 'form-invalid' ); } );
 	},
 	validateForm: function( selector ) {
 		selector = jQuery( selector );