2 files changed, 2 insertions, 0 deletions
diff --git a/pkgs/development/libraries/readline/5.x.nix b/pkgs/development/libraries/readline/5.x.nix
index 13916040fbaf..9e7c5c1d4e3b 100644
--- a/pkgs/development/libraries/readline/5.x.nix
+++ b/pkgs/development/libraries/readline/5.x.nix
@@ -13,5 +13,6 @@ stdenv.mkDerivation {
   patches = stdenv.lib.optional stdenv.isDarwin ./shobj-darwin.patch;
   meta = {
     branch = "5";
+    platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/libraries/readline/6.2.nix b/pkgs/development/libraries/readline/6.2.nix
index fd8a0764f49e..65ab4ed24cec 100644
--- a/pkgs/development/libraries/readline/6.2.nix
+++ b/pkgs/development/libraries/readline/6.2.nix
@@ -50,6 +50,7 @@ stdenv.mkDerivation (rec {
 
     maintainers = [ ];
     branch = "6.2";
+    platforms = stdenv.lib.platforms.unix;
   };
 }