diff --git a/pkgs/misc/themes/materia-theme/default.nix b/pkgs/data/themes/materia-theme/default.nix
similarity index 91%
rename from pkgs/misc/themes/materia-theme/default.nix
rename to pkgs/data/themes/materia-theme/default.nix
index e96e3ce895f3..f081078d3afd 100644
--- a/pkgs/misc/themes/materia-theme/default.nix
+++ b/pkgs/data/themes/materia-theme/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "materia-theme-${version}";
-  version = "20181115";
+  version = "20181125";
 
   src = fetchFromGitHub {
     owner = "nana-4";
     repo = "materia-theme";
     rev = "v${version}";
-    sha256 = "1vfwzvzbs4336vjg6y4asm21p64xc5f7cfsld5l159174ikcz5fp";
+    sha256 = "17gsgll2m534lwvpffqisdmhhmn0da419wnpq39wv5cjnmk0q3by";
   };
 
   nativeBuildInputs = [ gnome3.glib libxml2 bc ];
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 40bfffe8b4de..12ac8b5fe16f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15440,6 +15440,8 @@ in
 
   man-pages = callPackage ../data/documentation/man-pages { };
 
+  materia-theme = callPackage ../data/themes/materia-theme { };
+
   material-icons = callPackage ../data/fonts/material-icons { };
 
   meslo-lg = callPackage ../data/fonts/meslo-lg {};
@@ -22199,9 +22201,6 @@ in
 
   matcha = callPackage ../misc/themes/matcha { };
 
-  # previously known as flat-plat
-  materia-theme = callPackage ../misc/themes/materia-theme { };
-
   mess = callPackage ../misc/emulators/mess {
     inherit (pkgs.gnome2) GConf;
   };