diff --git a/src/sound.cxx b/src/sound.cxx
index 3626529..458ab6e 100644
--- a/src/sound.cxx
+++ b/src/sound.cxx
@@ -42,7 +42,7 @@ CSound::StopAllSounds (bool immediat, const std::set<Sint32> * except)
     if (Mix_Playing (i + 1) == SDL_TRUE)
     {
       /* FIXME: add support of fade out with emscripten */
-      if (immediat && Platform::getType () == Platform::Type::SDL)
+      if (immediat || Platform::getType () == Platform::Type::JS)
         Mix_HaltChannel (i + 1);
       else
         Mix_FadeOutChannel (i + 1, 500);