diff --git a/Modules/CTest.cmake b/Modules/CTest.cmake
index 01141f9b2..c8411ab5e 100644
--- a/Modules/CTest.cmake
+++ b/Modules/CTest.cmake
@@ -1,7 +1,7 @@
 # - setup CTest 
 # This file configures a project to use the CTest/Dart
 # testing/dashboard process.  
-# OPTION(BUILD_TESTING "Build the testing tree." ON)
+OPTION(BUILD_TESTING "Build the testing tree." ON)
 
 IF(BUILD_TESTING)
   # Setup some auxilary macros