diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index cd77d8ef2df..41dc6ef911f 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -199,6 +199,12 @@ self: super: {
   # https://github.com/mvoidex/hsdev/issues/11
   hsdev = dontHaddock super.hsdev;
 
+  hs-mesos = overrideCabal super.hs-mesos (drv: {
+    # Pass _only_ mesos; the correct protobuf is propagated.
+    extraLibraries = [ pkgs.mesos ];
+    preConfigure = "sed -i -e /extra-lib-dirs/d -e 's|, /usr/include, /usr/local/include/mesos||' hs-mesos.cabal";
+  });
+
   # Upstream notified by e-mail.
   permutation = dontCheck super.permutation;
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f813179e7df..99134afdad3 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4449,7 +4449,7 @@ let
   mesos = callPackage ../applications/networking/cluster/mesos {
     sasl = cyrus_sasl;
     inherit (pythonPackages) python boto setuptools distutils-cfg wrapPython;
-    pythonProtobuf = pythonPackages.protobuf;
+    pythonProtobuf = pythonPackages.protobuf2_5;
   };
 
   mesos-dns = callPackage ../servers/dns/mesos-dns { };