diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3831cb7..41cde95 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -108,7 +108,9 @@ if(ddl_cmake_enable_tests)
     add_subdirectory(test)
 endif()
 
-add_subdirectory(ddlgenerators)
+if(ddl_cmake_enable_ddl_generator_tools)
+    add_subdirectory(ddlgenerators)
+endif()
 
 if(ddl_cmake_enable_installation)
     install(TARGETS ddl ARCHIVE DESTINATION lib)