diff --git a/CMakeLists.txt b/CMakeLists.txt
index 12e8c32..e018641 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,2 +1,7 @@
 cmake_minimum_required (VERSION 3.1 FATAL_ERROR)
+
+if (NOT DEFINED RUN_TEST_SUITE)
+option (RUN_TEST_SUITE "run test suite after install" ON)
+endif (NOT DEFINED RUN_TEST_SUITE)
+
 add_subdirectory(Source/GmmLib)
diff --git a/Source/GmmLib/CMakeLists.txt b/Source/GmmLib/CMakeLists.txt
index 37c799d..71b5e70 100644
--- a/Source/GmmLib/CMakeLists.txt
+++ b/Source/GmmLib/CMakeLists.txt
@@ -544,4 +544,6 @@ if(ARCH EQUAL 32)
 	endif()
 endif()
 
-add_subdirectory(ULT)
+if(NOT DEFINED RUN_TEST_SUITE OR RUN_TEST_SUITE)
+    add_subdirectory(ULT)
+endif()