diff --git a/modules/organize/controllers/organize.php b/modules/organize/controllers/organize.php
index d688a76d59..488f1eb143 100644
--- a/modules/organize/controllers/organize.php
+++ b/modules/organize/controllers/organize.php
@@ -47,6 +47,8 @@ function dialog($album_id) {
     $v->access_key = rest::get_access_key($user->id)->access_key;
 
     $v->protocol = (empty($_SERVER["HTTPS"]) OR $_SERVER["HTTPS"] === "off") ? "http" : "https";
+    $v->swf_url = url::file("modules/organize/lib/Gallery3WebClient.swf?") .
+      filemtime(MODPATH . "organize/lib/Gallery3WebClient.swf");
     print $v;
   }
 
diff --git a/modules/organize/views/organize_dialog.html.php b/modules/organize/views/organize_dialog.html.php
index 8113a1af6f..d68534cf50 100644
--- a/modules/organize/views/organize_dialog.html.php
+++ b/modules/organize/views/organize_dialog.html.php
@@ -121,7 +121,7 @@ function getGalleryParameters() {
   attributes.id = "Gallery3WebClient";
   attributes.name = "Gallery3WebClient";
   attributes.align = "middle";
-  swfobject.embedSWF("<?= url::file("modules/organize/lib/Gallery3WebClient.swf") ?>",
+  swfobject.embedSWF("<?= $swf_url ?>",
                      "flashContent", size.width() - 100,  size.height() - 135,
                      swfVersionStr, xiSwfUrlStr, flashvars, params, attributes);
 </script>