diff --git a/pkgs/tools/graphics/astc-encoder/default.nix b/pkgs/tools/graphics/astc-encoder/default.nix
index 09b442d59d9d..cecc52b9df2d 100644
--- a/pkgs/tools/graphics/astc-encoder/default.nix
+++ b/pkgs/tools/graphics/astc-encoder/default.nix
@@ -46,6 +46,12 @@ gccStdenv.mkDerivation rec {
     "-DCMAKE_BUILD_TYPE=Release"
   ];
 
+  # Set a fixed build year to display within help output (otherwise, it would be 1980)
+  postPatch = ''
+    substituteInPlace Source/cmake_core.cmake \
+      --replace 'string(TIMESTAMP astcencoder_YEAR "%Y")' 'set(astcencoder_YEAR "2022")'
+  '';
+
   # Link binaries into environment and provide 'astcenc' link
   postInstall = ''
     mv $out/astcenc $out/bin