diff --git a/libclc/CMakeLists.txt b/libclc/CMakeLists.txt
index 21e5cac688227d..8750a65a717f9b 100644
--- a/libclc/CMakeLists.txt
+++ b/libclc/CMakeLists.txt
@@ -122,7 +122,11 @@ set(LLVM_LINK_COMPONENTS
   IRReader
   Support
 )
-add_llvm_utility( prepare_builtins utils/prepare-builtins.cpp )
+if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+  add_llvm_executable( prepare_builtins utils/prepare-builtins.cpp )
+else()
+  add_llvm_utility( prepare_builtins utils/prepare-builtins.cpp )
+endif()
 target_compile_definitions( prepare_builtins PRIVATE ${LLVM_VERSION_DEFINE} )
 # These were not properly reported in early LLVM and we don't need them
 target_compile_options( prepare_builtins PRIVATE -fno-rtti -fno-exceptions )