diff --git a/src/video/ffmpeg.c b/src/video/ffmpeg.c
index d34849a..073673b 100644
--- a/src/video/ffmpeg.c
+++ b/src/video/ffmpeg.c
@@ -33,7 +33,7 @@
 
 // General decoder and renderer state
 static AVPacket* pkt;
-static AVCodec* decoder;
+static const AVCodec* decoder;
 static AVCodecContext* decoder_ctx;
 static AVFrame** dec_frames;