diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index f040dae7f4..93be575d27 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -3005,7 +3005,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
 
     switch (enc->codec_type) {
     case AVMEDIA_TYPE_VIDEO:
-        if (enc->pix_fmt != AV_PIX_FMT_NONE) {
+        {
             char detail[256] = "(";
 
             av_strlcat(buf, separator, buf_size);
@@ -3013,7 +3013,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
             snprintf(buf + strlen(buf), buf_size - strlen(buf),
                  "%s", enc->pix_fmt == AV_PIX_FMT_NONE ? "none" :
                      av_get_pix_fmt_name(enc->pix_fmt));
-            if (enc->bits_per_raw_sample &&
+            if (enc->bits_per_raw_sample && enc->pix_fmt != AV_PIX_FMT_NONE &&
                 enc->bits_per_raw_sample <= av_pix_fmt_desc_get(enc->pix_fmt)->comp[0].depth_minus1)
                 av_strlcatf(detail, sizeof(detail), "%d bpc, ", enc->bits_per_raw_sample);
             if (enc->color_range != AVCOL_RANGE_UNSPECIFIED)