diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 15052c708e9..8f25018345b 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -18237,7 +18237,7 @@ in {
       homepage = https://pypi.python.org/pypi/PyICU/;
       description = "Python extension wrapping the ICU C++ API";
       license = licenses.mit;
-      platforms = platforms.all;
+      platforms = with platforms; allBut darwin;
       maintainers = [ maintainers.rycee ];
     };
   };