1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/tools/graphics/perceptualdiff/default.nix b/nixpkgs/pkgs/tools/graphics/perceptualdiff/default.nix
index 2227ff402994..454352986edf 100644
--- a/nixpkgs/pkgs/tools/graphics/perceptualdiff/default.nix
+++ b/nixpkgs/pkgs/tools/graphics/perceptualdiff/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "A program that compares two images using a perceptually based image metric";
     homepage = "https://github.com/myint/perceptualdiff";
-    license = licenses.gpl2;
+    license = licenses.gpl2Plus;
     maintainers = with maintainers; [ uri-canva ];
     platforms = platforms.x86;
   };