diff --git a/src/wp-includes/js/media-models.js b/src/wp-includes/js/media-models.js
index 90a17e94d2..d55d152aad 100644
--- a/src/wp-includes/js/media-models.js
+++ b/src/wp-includes/js/media-models.js
@@ -900,7 +900,7 @@ var Attachments = Backbone.Collection.extend({
 			mime = atts.mime || ( atts.file && atts.file.type ) || '';
 
 			if ( _.isArray( type ) ) {
-				found = _.find( type, function (t) {
+				found = ! type.length || _.find( type, function (t) {
 					return -1 !== mime.indexOf( t );
 				} );
 			} else {
diff --git a/src/wp-includes/js/media/models/attachments.js b/src/wp-includes/js/media/models/attachments.js
index 9b6e86cd2f..2cc3b6a421 100644
--- a/src/wp-includes/js/media/models/attachments.js
+++ b/src/wp-includes/js/media/models/attachments.js
@@ -496,7 +496,7 @@ var Attachments = Backbone.Collection.extend({
 			mime = atts.mime || ( atts.file && atts.file.type ) || '';
 
 			if ( _.isArray( type ) ) {
-				found = _.find( type, function (t) {
+				found = ! type.length || _.find( type, function (t) {
 					return -1 !== mime.indexOf( t );
 				} );
 			} else {