diff --git a/pkgs/applications/science/chemistry/marvin/default.nix b/pkgs/applications/science/chemistry/marvin/default.nix
index e266ee8e32ed..5f08bebd47fc 100644
--- a/pkgs/applications/science/chemistry/marvin/default.nix
+++ b/pkgs/applications/science/chemistry/marvin/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   src = fetchurl {
     name = "marvin-${version}.deb";
     url = "http://dl.chemaxon.com/marvin/${version}/marvin_linux_${versions.majorMinor version}.deb";
-    sha256 = "sha256-5ycOteXcdgZaeDl3WQ95H2lD0OnnobCbmnVlfYwVdeI=";
+    hash = "sha256-5ycOteXcdgZaeDl3WQ95H2lD0OnnobCbmnVlfYwVdeI=";
   };
 
   nativeBuildInputs = [ dpkg makeWrapper ];