diff --git a/pkgs/development/libraries/science/math/faiss/default.nix b/pkgs/development/libraries/science/math/faiss/default.nix
index 9d0dea3ff6a1..5d432caffa24 100644
--- a/pkgs/development/libraries/science/math/faiss/default.nix
+++ b/pkgs/development/libraries/science/math/faiss/default.nix
@@ -46,11 +46,7 @@ in
 stdenv.mkDerivation {
   inherit pname version;
 
-  outputs = [
-    "out"
-    "demos"
-    "dist"
-  ];
+  outputs = [ "out" "demos" ] ++ lib.optionals pythonSupport [ "dist" ];
 
   src = fetchFromGitHub {
     owner = "facebookresearch";