diff --git a/pkgs/os-specific/linux/acpi-call/default.nix b/pkgs/os-specific/linux/acpi-call/default.nix
index b79f0bd84f2f..f986ed790a16 100644
--- a/pkgs/os-specific/linux/acpi-call/default.nix
+++ b/pkgs/os-specific/linux/acpi-call/default.nix
@@ -2,13 +2,14 @@
 
 stdenv.mkDerivation rec {
   pname = "acpi-call";
-  version = "2020-04-07-${kernel.version}";
+  version = "1.2.1";
+  name = "${pname}-${version}-${kernel.version}";
 
   src = fetchFromGitHub {
     owner = "nix-community";
     repo = "acpi_call";
-    rev = "fe4cd0124099b88b61f83006023bc0d95e742e75";
-    sha256 = "1rksbg78i7y2wzam9p6kbhx8rmkaiq0kqg8nj7k0j6d25m79289s";
+    rev = "v${version}";
+    sha256 = "0mr4rjbv6fj4phf038addrgv32940bphghw2v9n1z4awvw7wzkbg";
   };
 
   hardeningDisable = [ "pic" ];
@@ -26,8 +27,9 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     maintainers = with maintainers; [ raskin mic92 ];
-    inherit (src.meta) homepage;
+    homepage = "https://github.com/nix-community/acpi_call";
     platforms = platforms.linux;
     description = "A module allowing arbitrary ACPI calls; use case: hybrid video";
+    license = licenses.gpl3Plus;
   };
 }