diff --git a/pkgs/by-name/te/tensor/package.nix b/pkgs/by-name/te/tensor/package.nix
index 58554d914b34..3ffba6c2dce0 100644
--- a/pkgs/by-name/te/tensor/package.nix
+++ b/pkgs/by-name/te/tensor/package.nix
@@ -11,7 +11,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "tensor";
-  version = "unstable-2017-02-21";
+  version = "0.3-unstable-2017-02-21";
 
   src = fetchFromGitHub {
     owner = "davidar";