Ticket #40308: patch.diff

class-wp-customize-manager.php

@@ -3959 +3959 @@
                         'type'           => 'url',
                         'description'    => __( 'Or, enter a YouTube URL:' ),
                         'section'        => 'header_image',
-                        'active_callback'=> 'is_front_page',
+                        'active_callback'=> 'is_header_video_active',
                 ) );
 
                 $this->add_control( new WP_Customize_Header_Image_Control( $this ) );