diff --git a/pkgs/development/tools/parsing/antlr/2.7.7.nix b/pkgs/development/tools/parsing/antlr/2.7.7.nix
index 23141185f68e..017ef20e81c6 100644
--- a/pkgs/development/tools/parsing/antlr/2.7.7.nix
+++ b/pkgs/development/tools/parsing/antlr/2.7.7.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation {
       walk parse trees.
     '';
     homepage = http://www.antlr.org/;
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 }