diff --git a/source/blender/editors/space_file/filesel.c b/source/blender/editors/space_file/filesel.c
index 1e113abfcd2..645f54a5767 100644
--- a/source/blender/editors/space_file/filesel.c
+++ b/source/blender/editors/space_file/filesel.c
@@ -246,6 +246,11 @@ short ED_fileselect_set_params(SpaceFile *sfile)
 		sfile->folders_prev = folderlist_new();
 	folderlist_pushdir(sfile->folders_prev, sfile->params->dir);
 
+	/* switching thumbnails needs to recalc layout [#28809] */
+	if (sfile->layout) {
+		sfile->layout->dirty= 1;
+	}
+
 	return 1;
 }