diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c
index 4857338e9c..b7ebade9b0 100644
--- a/libavcodec/alacenc.c
+++ b/libavcodec/alacenc.c
@@ -59,6 +59,7 @@ typedef struct AlacLPCContext {
 } AlacLPCContext;
 
 typedef struct AlacEncodeContext {
+    const AVClass *class;
     AVCodecContext *avctx;
     int frame_size;                     /**< current frame size               */
     int verbatim;                       /**< current frame verbatim mode flag */
diff --git a/libavcodec/huffyuv.h b/libavcodec/huffyuv.h
index aed153769a..a4a83b9b01 100644
--- a/libavcodec/huffyuv.h
+++ b/libavcodec/huffyuv.h
@@ -59,6 +59,7 @@ typedef enum Predictor {
 } Predictor;
 
 typedef struct HYuvContext {
+    const AVClass *class;
     AVCodecContext *avctx;
     Predictor predictor;
     GetBitContext gb;
diff --git a/libavcodec/utvideo.h b/libavcodec/utvideo.h
index 718273c47f..0035e9c5ce 100644
--- a/libavcodec/utvideo.h
+++ b/libavcodec/utvideo.h
@@ -65,6 +65,7 @@ extern const int ff_ut_pred_order[5];
 extern const int ff_ut_rgb_order[4];
 
 typedef struct UtvideoContext {
+    const AVClass *class;
     AVCodecContext *avctx;
     BswapDSPContext bdsp;
     HuffYUVEncDSPContext hdsp;