Ticket #38221: 38221.diff

src/wp-admin/js/media.js

@@ -151 +151 @@
                         }).open();
                 }
 
-                // Prevents form submission if no post has been selected.
+                // Prevents form submission if posts exists to be selected and no post has been selected.
                 $( '#find-posts-submit' ).click( function( event ) {
-                        if ( ! $( '#find-posts-response input[type="radio"]:checked' ).length )
+                        if ( $( '#find-posts-response input[type="radio"]' ).length && ! $( '#find-posts-response input[type="radio"]:checked' ).length )
                                 event.preventDefault();
                 });