diff --git a/cmake/platforms/emscripten.cmake b/cmake/platforms/emscripten.cmake
index 898d3ea..13e4261 100644
--- a/cmake/platforms/emscripten.cmake
+++ b/cmake/platforms/emscripten.cmake
@@ -124,10 +124,8 @@ function(build_platform_extras)
       DESTINATION kaios/${name})
     install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/kaios/kaiads-glue.js
       DESTINATION kaios/${name})
-    if (HALIBUT)
-      install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/help
-        DESTINATION kaios/${name})
-    endif()
+    install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/help OPTIONAL
+      DESTINATION kaios/${name})
 
   endforeach()
 endfunction()