diff --git a/Source/WebCore/platform/gstreamer/GStreamerQuirkRialto.cpp b/Source/WebCore/platform/gstreamer/GStreamerQuirkRialto.cpp
index 9dea4ed41f27..a29d7b6e5338 100644
--- a/Source/WebCore/platform/gstreamer/GStreamerQuirkRialto.cpp
+++ b/Source/WebCore/platform/gstreamer/GStreamerQuirkRialto.cpp
@@ -66,6 +66,10 @@ GStreamerQuirkRialto::GStreamerQuirkRialto()
                 m_sinkCaps = WTFMove(templateCaps);
         }
     }
+
+    m_disallowedWebAudioDecoders = {
+        "rialtomseaudiosink"_s
+    };
 }
 
 bool GStreamerQuirkRialto::isPlatformSupported() const
diff --git a/Source/WebCore/platform/gstreamer/GStreamerQuirkRialto.h b/Source/WebCore/platform/gstreamer/GStreamerQuirkRialto.h
index 001694a7fe4c..51076eab6f50 100644
--- a/Source/WebCore/platform/gstreamer/GStreamerQuirkRialto.h
+++ b/Source/WebCore/platform/gstreamer/GStreamerQuirkRialto.h
@@ -41,11 +41,13 @@ class GStreamerQuirkRialto final : public GStreamerQuirk {
     GstElement* createAudioSink() final;
     GstElement* createWebAudioSink() final;
     std::optional<bool> isHardwareAccelerated(GstElementFactory*) final;
+    Vector<String> disallowedWebAudioDecoders() const final { return m_disallowedWebAudioDecoders; }
     bool shouldParseIncomingLibWebRTCBitStream() const final { return false; }
     unsigned getAdditionalPlaybinFlags() const { return getGstPlayFlag("text") | getGstPlayFlag("native-audio") | getGstPlayFlag("native-video"); }
     bool needsCustomInstantRateChange() const final { return true; }
 
 private:
+    Vector<String> m_disallowedWebAudioDecoders;
     GRefPtr<GstCaps> m_sinkCaps;
 };