diff --git a/pkgs/development/compilers/nasm/default.nix b/pkgs/development/compilers/nasm/default.nix
index a0daa7df173..b95f6e5ee95 100644
--- a/pkgs/development/compilers/nasm/default.nix
+++ b/pkgs/development/compilers/nasm/default.nix
@@ -22,5 +22,6 @@ stdenv.mkDerivation rec {
     description = "An 80x86 and x86-64 assembler designed for portability and modularity";
     platforms = platforms.unix;
     maintainers = with maintainers; [ pSub willibutz ];
+    license = licenses.bsd2;
   };
 }