diff --git a/src/script_interface/CMakeLists.txt b/src/script_interface/CMakeLists.txt
index a799571..9d03f33 100644
--- a/src/script_interface/CMakeLists.txt
+++ b/src/script_interface/CMakeLists.txt
@@ -54,4 +54,6 @@ target_link_libraries(
 target_include_directories(Espresso_script_interface
                            PUBLIC ${CMAKE_SOURCE_DIR}/src)
 
-add_subdirectory(tests)
+if(WITH_TESTS)
+  add_subdirectory(tests)
+endif(WITH_TESTS)