diff --git a/CMakeLists.txt b/CMakeLists.txt
index c394347..d75cdd1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,15 +4,6 @@ project(dmclock CXX)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake/modules")
 
-if (NOT(TARGET gtest AND TARGET gtest_main))
-  if (NOT GTEST_FOUND)
-    find_package(GTest QUIET)
-    if (NOT GTEST_FOUND)
-      include(BuildGTest)
-    endif()
-  endif()
-endif()
-
 if (NOT(BOOST_FOUND))
   find_package(Boost REQUIRED)
 endif()
@@ -33,6 +24,15 @@ endif()
 
 option(dmclock_TEST "Generate test targets" ${MASTER_PROJECT})
 if(dmclock_TEST)
+  if (NOT(TARGET gtest AND TARGET gtest_main))
+    if (NOT GTEST_FOUND)
+      find_package(GTest QUIET)
+      if (NOT GTEST_FOUND)
+        include(BuildGTest)
+      endif()
+    endif()
+  endif()
+
   enable_testing()
   add_subdirectory(test)
   add_subdirectory(support/test)