diff --git a/pkgs/applications/science/biology/mni_autoreg/default.nix b/pkgs/applications/science/biology/mni_autoreg/default.nix
index 254d874f9d9..40ec9e0de6d 100644
--- a/pkgs/applications/science/biology/mni_autoreg/default.nix
+++ b/pkgs/applications/science/biology/mni_autoreg/default.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   pname = "mni_autoreg";
-  name  = "${pname}-2017-09-22";
+  version = "unstable-2017-09-22";
 
   src = fetchFromGitHub {
     owner = "BIC-MNI";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libminc ];
   propagatedBuildInputs = with perlPackages; [ perl GetoptTabular MNI-Perllib ];
 
-  cmakeFlags = [ "-DLIBMINC_DIR=${libminc}/lib/" ];
+  cmakeFlags = [ "-DLIBMINC_DIR=${libminc}/lib/cmake" ];
   # testing broken: './minc_wrapper: Permission denied' from Testing/ellipse0.mnc
 
   postFixup = ''