diff --git a/pkgs/applications/science/math/caffe/default.nix b/pkgs/applications/science/math/caffe/default.nix
index 5c6fe9c573d..cb28d38bf1d 100644
--- a/pkgs/applications/science/math/caffe/default.nix
+++ b/pkgs/applications/science/math/caffe/default.nix
@@ -46,9 +46,8 @@ stdenv.mkDerivation rec {
 
   propagatedBuildInputs = lib.optional pythonSupport python.pkgs.protobuf;
 
-  outputs = [ "out" "bin" ];
-  # Don't propagate bin.
-  outputBin = "out";
+  outputs = [ "bin" "out"];
+  propagatedBuildOutputs = []; # otherwise propagates out -> bin cycle
 
   postInstall = ''
     # Internal static library.