diff --git a/googletest/README.md b/googletest/README.md
index 0f6d6d59..f273a7de 100644
--- a/googletest/README.md
+++ b/googletest/README.md
@@ -161,7 +161,8 @@ Existing build's `CMakeLists.txt`:
     # Add googletest directly to our build. This defines
     # the gtest and gtest_main targets.
     add_subdirectory(${CMAKE_BINARY_DIR}/googletest-src
-                     ${CMAKE_BINARY_DIR}/googletest-build)
+                     ${CMAKE_BINARY_DIR}/googletest-build
+                     EXCLUDE_FROM_ALL)
 
     # The gtest/gtest_main targets carry header search path
     # dependencies automatically when using CMake 2.8.11 or