diff --git a/CMakeLists.txt b/CMakeLists.txt
index a7e7f0e..799edbd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,8 @@ set(CMAKE_CXX_FLAGS "-Wall -Wpedantic")
 set(CMAKE_CXX_FLAGS_DEBUG "-g")
 add_definitions(-std=c++14)
 
+option(BUILD_TESTS "Build unit tests" OFF)
+
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)