diff --git a/indra/cmake/Variables.cmake b/indra/cmake/Variables.cmake
index f0bb5b70f..9815c8096 100644
--- a/indra/cmake/Variables.cmake
+++ b/indra/cmake/Variables.cmake
@@ -106,7 +106,7 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
     set(CMAKE_OSX_DEPLOYMENT_TARGET 10.6)
   endif(${CMAKE_GENERATOR} MATCHES Xcode)
 
-  set(CMAKE_OSX_SYSROOT macosx10.6)
+  set(CMAKE_OSX_SYSROOT /Developer/SDKs/MacOSX10.6.sdk)
   set(CMAKE_XCODE_ATTRIBUTE_GCC_VERSION "com.apple.compilers.llvmgcc42")
 
   set(CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT dwarf-with-dsym)