Index: wp-includes/js/media-models.js
===================================================================
--- wp-includes/js/media-models.js	(révision 22831)
+++ wp-includes/js/media-models.js	(copie de travail)
@@ -620,6 +620,7 @@
 					args.paged = Math.floor( this.length / args.posts_per_page ) + 1;
 
 				options.data.query = args;
+				options.data.postid = media.view.settings.postId; // backward compatibility
 				return media.ajax( options );
 
 			// Otherwise, fall back to Backbone.sync()
@@ -789,4 +790,4 @@
 		}
 	});
 
-}(jQuery));
\ No newline at end of file
+}(jQuery));