diff --git a/tool/run/depot.inc b/tool/run/depot.inc
index 4901c1f98c..c9b5827b8e 100644
--- a/tool/run/depot.inc
+++ b/tool/run/depot.inc
@@ -243,7 +243,7 @@ proc create_tar_from_depot_binaries { archive_path args } {
 
 	check_for_missing_depot_archives
 
-	eval "exec tar cf $archive_path -C [depot_dir] $content"
+	eval "exec tar cf $archive_path -C [depot_dir] [lsort -unique $content]"
 }