diff --git a/wp-includes/embed-functions.php b/wp-includes/embed-functions.php
index 514eac3ca8..d3c78dd829 100644
--- a/wp-includes/embed-functions.php
+++ b/wp-includes/embed-functions.php
@@ -423,7 +423,7 @@ function get_oembed_endpoint_url( $permalink = '', $format = 'json' ) {
 
 	if ( '' !== $permalink ) {
 		$url = add_query_arg( array(
-			'url'    => $permalink,
+			'url'    => urlencode( $permalink ),
 			'format' => $format,
 		), $url );
 	}
@@ -851,4 +851,4 @@ function print_oembed_embed_scripts() {
 	?>
 	</script>
 	<?php
-}
\ No newline at end of file
+}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 999f6dabf7..2f2d8beee9 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34914';
+$wp_version = '4.4-alpha-34915';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.