diff --git a/wp-includes/class-oembed.php b/wp-includes/class-oembed.php
index 363b7c9933..381d3d0d8f 100644
--- a/wp-includes/class-oembed.php
+++ b/wp-includes/class-oembed.php
@@ -277,7 +277,7 @@ class WP_oEmbed {
 	 * @return bool|object False on failure, otherwise the result in the form of an object.
 	 */
 	public function fetch( $provider, $url, $args = '' ) {
-		$args = wp_parse_args( $args, wp_embed_defaults() );
+		$args = wp_parse_args( $args, wp_embed_defaults( $url ) );
 
 		$provider = add_query_arg( 'maxwidth', (int) $args['width'], $provider );
 		$provider = add_query_arg( 'maxheight', (int) $args['height'], $provider );
diff --git a/wp-includes/class-wp-embed.php b/wp-includes/class-wp-embed.php
index e959d93590..1b849f6f28 100644
--- a/wp-includes/class-wp-embed.php
+++ b/wp-includes/class-wp-embed.php
@@ -156,7 +156,7 @@ class WP_Embed {
 			return '';
 
 		$rawattr = $attr;
-		$attr = wp_parse_args( $attr, wp_embed_defaults() );
+		$attr = wp_parse_args( $attr, wp_embed_defaults( $url ) );
 
 		// kses converts & into & and we need to undo this
 		// See http://core.trac.wordpress.org/ticket/11311
diff --git a/wp-includes/media.php b/wp-includes/media.php
index f0e77724ed..e208c52ee3 100644
--- a/wp-includes/media.php
+++ b/wp-includes/media.php
@@ -2082,9 +2082,11 @@ function wp_embed_unregister_handler( $id, $priority = 10 ) {
  *
  * @since 2.9.0
  *
+ * @param string $url Optional. The URL that should be embedded. Default empty.
+ *
  * @return array Default embed parameters.
  */
-function wp_embed_defaults() {
+function wp_embed_defaults( $url = '' ) {
 	if ( ! empty( $GLOBALS['content_width'] ) )
 		$width = (int) $GLOBALS['content_width'];
 
@@ -2098,10 +2100,11 @@ function wp_embed_defaults() {
 	 *
 	 * @since 2.9.0
 	 *
-	 * @param int $width  Width of the embed in pixels.
-	 * @param int $height Height of the embed in pixels.
+	 * @param int    $width  Width of the embed in pixels.
+	 * @param int    $height Height of the embed in pixels.
+	 * @param string $url    The URL that should be embedded.
 	 */
-	return apply_filters( 'embed_defaults', compact( 'width', 'height' ) );
+	return apply_filters( 'embed_defaults', compact( 'width', 'height' ), $url );
 }
 
 /**