diff --git a/tundra.lua b/tundra.lua
index 785e61e..d7d0f43 100644
--- a/tundra.lua
+++ b/tundra.lua
@@ -13,7 +13,8 @@ Build {
 				LIBPATH = { "/usr/lib/gcc/i686-apple-darwin10/4.2.1/x86_64" },
 				CPPDEFS = { "SDLROCKET_MACOSX" },
 				CCOPTS = {
-                    { "-g", "-O0" ; Config = { "*-gcc-debug", "*-clang-debug" } }					
+                    { "-g", "-O0" ; Config = { "*-gcc-debug", "*-clang-debug" } },
+                    { "-g", "-O3" ; Config = { "*-clang-release" } }					
         		},
 				CXXOPTS = {
 					{ "-g", "-O0"; Config = "macosx-clang-debug" },