diff --git a/platform/web/audio_driver_web.cpp b/platform/web/audio_driver_web.cpp
index 0108f407262..f3d5b5cd1a1 100644
--- a/platform/web/audio_driver_web.cpp
+++ b/platform/web/audio_driver_web.cpp
@@ -479,6 +479,8 @@ void AudioDriverWorklet::_capture_callback(int p_pos, int p_samples) {
 	driver->_audio_driver_capture(p_pos, p_samples);
 }
 
+#endif // THREADS_ENABLED
+
 /// ScriptProcessorNode implementation
 AudioDriverScriptProcessor *AudioDriverScriptProcessor::singleton = nullptr;
 
@@ -497,5 +499,3 @@ Error AudioDriverScriptProcessor::create(int &p_buffer_samples, int p_channels)
 void AudioDriverScriptProcessor::start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) {
 	godot_audio_script_start(p_in_buf, p_in_buf_size, p_out_buf, p_out_buf_size, &_process_callback);
 }
-
-#endif // THREADS_ENABLED
diff --git a/platform/web/audio_driver_web.h b/platform/web/audio_driver_web.h
index d352fa46922..c317acfff01 100644
--- a/platform/web/audio_driver_web.h
+++ b/platform/web/audio_driver_web.h
@@ -169,6 +169,8 @@ public:
 	AudioDriverWorklet() { singleton = this; }
 };
 
+#endif // THREADS_ENABLED
+
 class AudioDriverScriptProcessor : public AudioDriverWeb {
 private:
 	static void _process_callback();
@@ -178,7 +180,6 @@ private:
 protected:
 	virtual Error create(int &p_buffer_size, int p_output_channels) override;
 	virtual void start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) override;
-	virtual void finish_driver() override;
 
 public:
 	virtual const char *get_name() const override { return "ScriptProcessor"; }
@@ -191,6 +192,4 @@ public:
 	AudioDriverScriptProcessor() { singleton = this; }
 };
 
-#endif // THREADS_ENABLED
-
 #endif // AUDIO_DRIVER_WEB_H
diff --git a/platform/web/js/libs/library_godot_audio.js b/platform/web/js/libs/library_godot_audio.js
index aaf986b9661..f566268e533 100644
--- a/platform/web/js/libs/library_godot_audio.js
+++ b/platform/web/js/libs/library_godot_audio.js
@@ -2160,7 +2160,7 @@ autoAddDeps(GodotAudioWorklet, '$GodotAudioWorklet');
 mergeInto(LibraryManager.library, GodotAudioWorklet);
 
 /*
- * The ScriptProcessorNode API, used when threads are disabled.
+ * The ScriptProcessorNode API, used as a fallback if AudioWorklet is not available.
  */
 const GodotAudioScript = {
 	$GodotAudioScript__deps: ['$GodotAudio'],
diff --git a/platform/web/os_web.cpp b/platform/web/os_web.cpp
index 51facbaa845..c7ca613f4e6 100644
--- a/platform/web/os_web.cpp
+++ b/platform/web/os_web.cpp
@@ -275,6 +275,7 @@ OS_Web::OS_Web() {
 
 	if (AudioDriverWeb::is_available()) {
 		audio_drivers.push_back(memnew(AudioDriverWorklet));
+		audio_drivers.push_back(memnew(AudioDriverScriptProcessor));
 	}
 	for (AudioDriverWeb *audio_driver : audio_drivers) {
 		AudioDriverManager::add_driver(audio_driver);