diff --git a/src/Lib/AbstractMediaContext.hh b/src/Lib/AbstractMediaContext.hh
index 4bdd3d32256f9dca96a3cbbd2ddcb38f2e8f1327..94d8f815b6da300e3411dd171709d28f458131e7 100644
--- a/src/Lib/AbstractMediaContext.hh
+++ b/src/Lib/AbstractMediaContext.hh
@@ -58,7 +58,7 @@ protected:
     using Super = AbstractMediaStream<AVMEDIA_TYPE>;
 
 protected:
-    AbstractMediaStream(AVCodec *streamCodec, AVFormatContext *formatArg, AVStream *streamArg,
+    AbstractMediaStream(const AVCodec *streamCodec, AVFormatContext *formatArg, AVStream *streamArg,
                         int index)
         : codecId(streamArg->codecpar->codec_id)
         , codec(streamCodec)
@@ -109,7 +109,7 @@ public:
 protected:
     // Codec related informations
     AVCodecID codecId{ AV_CODEC_ID_NONE };
-    AVCodec *codec{ nullptr };
+    const AVCodec *codec{ nullptr };
     AVCodecParameters *codecParams{ nullptr };
     AVCodecContextPtr codecContext{ nullptr };
     AVFormatContext *dataFormat{ nullptr };
@@ -159,7 +159,7 @@ public:
         for (uint i = 0; i < format->nb_streams; ++i) {
             AVStream *itFmt           = format->streams[i];
             AVCodecParameters *params = itFmt->codecpar;
-            AVCodec *streamCodec      = avcodec_find_decoder(params->codec_id);
+            const AVCodec *streamCodec      = avcodec_find_decoder(params->codec_id);
             if (streamCodec && streamCodec->type == avMediaType)
                 audioStreams.insert(i, std::make_shared<Stream>(streamCodec, formatPtr, itFmt, i));
         }
diff --git a/src/Lib/Audio.cc b/src/Lib/Audio.cc
index 15521c875b42191e229dbf5648974bf9553a0247..2842e53853fa134f04247b0283c4b5fd66661fae 100644
--- a/src/Lib/Audio.cc
+++ b/src/Lib/Audio.cc
@@ -25,7 +25,7 @@ AudioContext::getProperties() const noexcept
 // AudioStream class implementation
 
 // Constructor, need an AVFormat and an AVStream
-AudioStream::AudioStream(AVCodec *streamCodec, AVFormatContext *formatPtr, AVStream *streamArg,
+AudioStream::AudioStream(const AVCodec *streamCodec, AVFormatContext *formatPtr, AVStream *streamArg,
                          int index)
     : Super(streamCodec, formatPtr, streamArg, index)
 {
diff --git a/src/Lib/Audio.hh b/src/Lib/Audio.hh
index 2bf00f7ea8ace4f39fd21912988468ae8414895e..bc6ae3815c168cf253d3ef4fde0b8c9ea2acfa5e 100644
--- a/src/Lib/Audio.hh
+++ b/src/Lib/Audio.hh
@@ -16,7 +16,7 @@ class AudioStream final : public AbstractMediaStream<AVMEDIA_TYPE_AUDIO> {
     VIVY_UNMOVABLE_OBJECT(AudioStream)
 
 public:
-    AudioStream(AVCodec *, AVFormatContext *, AVStream *, int index);
+    AudioStream(const AVCodec *, AVFormatContext *, AVStream *, int index);
     ~AudioStream() noexcept override;
 
     // Decode the stream
diff --git a/src/Lib/Video.cc b/src/Lib/Video.cc
index 72d894f4b230bd4e616e39bb85f11bbeddafe570..7845548606956b97f4061399bb679ba611c6fd9d 100644
--- a/src/Lib/Video.cc
+++ b/src/Lib/Video.cc
@@ -3,7 +3,7 @@
 
 using namespace Vivy;
 
-VideoStream::VideoStream(AVCodec *streamCodec, AVFormatContext *formatArg, AVStream *streamArg,
+VideoStream::VideoStream(const AVCodec *streamCodec, AVFormatContext *formatArg, AVStream *streamArg,
                          int index)
     : Super(streamCodec, formatArg, streamArg, index)
 {
diff --git a/src/Lib/Video.hh b/src/Lib/Video.hh
index 4092908f7518284eae122a64eb950d608daff14f..79ac20cebf4fcaced2e236087855d82f07126135 100644
--- a/src/Lib/Video.hh
+++ b/src/Lib/Video.hh
@@ -14,7 +14,7 @@ class VideoStream final : public AbstractMediaStream<AVMEDIA_TYPE_VIDEO> {
     VIVY_UNMOVABLE_OBJECT(VideoStream)
 
 public:
-    VideoStream(AVCodec *, AVFormatContext *, AVStream *, int index);
+    VideoStream(const AVCodec *, AVFormatContext *, AVStream *, int index);
     ~VideoStream() noexcept override = default;
 
     int getWidth() const noexcept;