diff --git a/mythtv/libs/libmythtv/decoders/mythmmalcontext.cpp b/mythtv/libs/libmythtv/decoders/mythmmalcontext.cpp
index 201764fe5b4..adc56b51e3f 100644
--- a/mythtv/libs/libmythtv/decoders/mythmmalcontext.cpp
+++ b/mythtv/libs/libmythtv/decoders/mythmmalcontext.cpp
@@ -148,7 +148,7 @@ int MythMMALContext::HwDecoderInit(AVCodecContext *Context)
     return m_interop ? 0 : -1;
 }
 
-void MythMMALContext::SetDecoderOptions(AVCodecContext *Context, AVCodec *Codec)
+void MythMMALContext::SetDecoderOptions(AVCodecContext *Context, const AVCodec *Codec)
 {
     if (!(codec_is_mmal(m_codecID)))
         return;
diff --git a/mythtv/libs/libmythtv/decoders/mythmmalcontext.h b/mythtv/libs/libmythtv/decoders/mythmmalcontext.h
index 0f25d4daf42..f5017395cd2 100644
--- a/mythtv/libs/libmythtv/decoders/mythmmalcontext.h
+++ b/mythtv/libs/libmythtv/decoders/mythmmalcontext.h
@@ -20,7 +20,7 @@ class MythMMALContext : public MythCodecContext
     void        InitVideoCodec          (AVCodecContext *Context, bool SelectedStream, bool &DirectRendering) override;
     bool        RetrieveFrame           (AVCodecContext *Context, MythVideoFrame *Frame, AVFrame *AvFrame) override;
     int         HwDecoderInit           (AVCodecContext *Context) override;
-    void        SetDecoderOptions       (AVCodecContext *Context, AVCodec *Codec) override;
+    void        SetDecoderOptions       (AVCodecContext *Context, const AVCodec *Codec) override;
     static bool GetBuffer               (AVCodecContext *Context, MythVideoFrame *Frame, AVFrame *AvFrame, int);
     bool        GetBuffer2              (AVCodecContext *Context, MythVideoFrame *Frame, AVFrame *AvFrame, int);
     static enum AVPixelFormat GetFormat (AVCodecContext*, const AVPixelFormat *PixFmt);