diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 602436da63..4e7a15f060 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -578,7 +578,9 @@ static int init_video_param_jpeg(AVCodecContext *avctx, QSVEncContext *q)
     if (!desc)
         return AVERROR_BUG;
 
-    ff_qsv_map_pixfmt(sw_format, &q->param.mfx.FrameInfo.FourCC);
+    ret = ff_qsv_map_pixfmt(sw_format, &q->param.mfx.FrameInfo.FourCC);
+    if (ret < 0)
+        return AVERROR_BUG;
 
     q->param.mfx.FrameInfo.CropX          = 0;
     q->param.mfx.FrameInfo.CropY          = 0;
@@ -681,7 +683,9 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q)
     if (!desc)
         return AVERROR_BUG;
 
-    ff_qsv_map_pixfmt(sw_format, &q->param.mfx.FrameInfo.FourCC);
+    ret = ff_qsv_map_pixfmt(sw_format, &q->param.mfx.FrameInfo.FourCC);
+    if (ret < 0)
+        return AVERROR_BUG;
 
     q->param.mfx.FrameInfo.CropX          = 0;
     q->param.mfx.FrameInfo.CropY          = 0;