diff --git a/pkgs/by-name/sa/sarabun-font/package.nix b/pkgs/by-name/sa/sarabun-font/package.nix
index 671aace72928..34089c8f5cad 100644
--- a/pkgs/by-name/sa/sarabun-font/package.nix
+++ b/pkgs/by-name/sa/sarabun-font/package.nix
@@ -6,7 +6,7 @@
 
 stdenvNoCC.mkDerivation {
   pname = "sarabun";
-  version = "unstable-2018-08-24";
+  version = "0-unstable-2018-08-24";
 
   src = fetchFromGitHub {
     owner = "cadsondemak";