diff --git a/indra/cmake/Variables.cmake b/indra/cmake/Variables.cmake
index ee75668a69983c429580475af7358fdd8cbb612b..b5af1a66d8349684a24da50bc97bee0659e949da 100644
--- a/indra/cmake/Variables.cmake
+++ b/indra/cmake/Variables.cmake
@@ -239,7 +239,7 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
     set(CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT dwarf)
   endif (${CMAKE_BUILD_TYPE} STREQUAL "Release")
   if(USE_LTO)
-    set(CMAKE_XCODE_ATTRIBUTE_LLVM_LTO YES)    
+    set(CMAKE_XCODE_ATTRIBUTE_LLVM_LTO YES_THIN)    
   endif()
   set(CMAKE_XCODE_ATTRIBUTE_DEAD_CODE_STRIPPING YES)