diff --git a/pkgs/stdenv/native/default.nix b/pkgs/stdenv/native/default.nix
index f303e47fd5d..715bc02758b 100644
--- a/pkgs/stdenv/native/default.nix
+++ b/pkgs/stdenv/native/default.nix
@@ -113,7 +113,7 @@ rec {
     name = "gcc-native";
     nativeTools = true;
     nativeLibc = true;
-    nativePrefix = if system == "i686-solaris" then "/usr/gnu" else "/usr";
+    nativePrefix = if system == "i686-solaris" then "/usr/gnu" else if system == "x86_64-solaris" then "/opt/local/gcc47" else "/usr";
     stdenv = stdenvBoot0;
   };