diff --git a/plugins/CMakeLists.txt b/plugins/CMakeLists.txt
index 252519c..859d2e3 100644
--- a/plugins/CMakeLists.txt
+++ b/plugins/CMakeLists.txt
@@ -2,8 +2,8 @@ set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/plugins/web
 
 add_custom_target(webserver-plugins)
 
-add_subdirectory(fileserverplugin)
-add_subdirectory(helloworldplugin)
-add_subdirectory(proxyplugin)
-add_subdirectory(seriesplugin)
-add_subdirectory(wifilampplugin)
+optional_add_subdirectory(fileserverplugin)
+optional_add_subdirectory(helloworldplugin)
+optional_add_subdirectory(proxyplugin)
+optional_add_subdirectory(seriesplugin)
+optional_add_subdirectory(wifilampplugin)