diff --git a/pkgs/development/libraries/gsl/default.nix b/pkgs/development/libraries/gsl/default.nix
index c9559476eff..ffe168674e6 100644
--- a/pkgs/development/libraries/gsl/default.nix
+++ b/pkgs/development/libraries/gsl/default.nix
@@ -40,6 +40,6 @@ stdenv.mkDerivation rec {
       fitting.  There are over 1000 functions in total with an
       extensive test suite.
     '';
-    platforms = lib.platforms.unix;
+    platforms = lib.platforms.all;
   };
 }