--- tumbler-0.2.3.orig/tumblerd/tumbler-registry.c	2018-09-12 08:34:53.000000000 +0200
+++ tumbler-0.2.3/tumblerd/tumbler-registry.c	2018-10-20 10:01:14.036706000 +0200
@@ -465,38 +465,12 @@
   /* iterate over all URIs */
   for (n = 0; n < length; ++n)
     {
-      gchar *filename;
-      struct stat sb;
-
+      
       g_assert (TUMBLER_IS_FILE_INFO (infos[n]));
 
       /* reset */
       file_size = 0;
 
-      filename = g_filename_from_uri (tumbler_file_info_get_uri (infos[n]), NULL, NULL);
-
-      if (G_LIKELY(filename))
-      {
-        stat (filename, &sb);
-
-        g_free (filename);
-
-        /* Test sparse files on regular ones */
-        if (S_ISREG (sb.st_mode))
-        {
-          if (((TUMBLER_STAT_BLKSIZE * sb.st_blocks) / sb.st_size) < 0.8)
-          {
-            g_debug ("'%s' is probably a sparse file, skipping\n", tumbler_file_info_get_uri (infos[n]));
-            continue;
-          }
-        }
-      }
-      else
-      {
-        g_warning ("Failed to get filename from uri for '%s', skipping\n", tumbler_file_info_get_uri (infos[n]));
-        continue;
-      }
-
       /* determine the URI scheme and generate a hash key */
       gfile = g_file_new_for_uri (tumbler_file_info_get_uri (infos[n]));
       scheme = g_file_get_uri_scheme (gfile);
@@ -507,6 +481,8 @@
       list = tumbler_registry_lookup (registry, hash_key);
       for (lp = list; lp != NULL; lp = lp->next)
         {
+          gchar *filename;
+          struct stat sb;
           /* check if the file size is a limitation */
           max_file_size = tumbler_thumbnailer_get_max_file_size (lp->data);
           if (max_file_size > 0)
@@ -518,6 +494,30 @@
                 continue;
             }
 
+          /* check if the file is sparse */
+          if (g_file_is_native (gfile))
+            {
+              filename = g_filename_from_uri (tumbler_file_info_get_uri (infos[n]), NULL, NULL);
+              if (G_LIKELY(filename))
+                {
+                  stat (filename, &sb);
+                  g_free (filename);
+                  /* Test sparse files on regular ones */
+                  if (S_ISREG (sb.st_mode))
+                    {
+                      if (((TUMBLER_STAT_BLKSIZE * sb.st_blocks) / sb.st_size) < 0.8)
+                        {
+                          g_debug ("'%s' is probably a sparse file, skipping\n", tumbler_file_info_get_uri (infos[n]));
+                          continue;
+                        }
+                    }
+                }
+              else
+                {
+                  g_warning ("Failed to get filename from uri for '%s', skipping\n", tumbler_file_info_get_uri (infos[n]));
+                  continue;
+                }
+            }
           /* check if the location is supported */
           if (!tumbler_thumbnailer_supports_location (lp->data, gfile))
             continue;