diff --git a/pkgs/applications/version-management/subversion/default.nix b/pkgs/applications/version-management/subversion/default.nix
index 6e329ebdf715..a49e5e1033eb 100644
--- a/pkgs/applications/version-management/subversion/default.nix
+++ b/pkgs/applications/version-management/subversion/default.nix
@@ -15,7 +15,7 @@ assert httpServer -> apacheHttpd != null;
 assert pythonBindings -> swig != null && python != null;
 assert javahlBindings -> jdk != null && perl != null;
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (rec {
 
   version = "1.8.11";
 
@@ -77,4 +77,9 @@ stdenv.mkDerivation rec {
     maintainers = with stdenv.lib.maintainers; [ eelco lovek323 ];
     hydraPlatforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
   };
-}
+} // stdenv.lib.optionalAttrs stdenv.isDarwin {
+  CXX = "clang++";
+  CC = "clang";
+  CPP = "clang -E";
+  CXXCPP = "clang++ -E";
+})