diff --git a/libavfilter/af_ashowinfo.c b/libavfilter/af_ashowinfo.c
index a68212c7bb..ee95029a3a 100644
--- a/libavfilter/af_ashowinfo.c
+++ b/libavfilter/af_ashowinfo.c
@@ -68,7 +68,7 @@ static void dump_matrixenc(AVFilterContext *ctx, AVFrameSideData *sd)
     enc = *(enum AVMatrixEncoding *)sd->data;
     switch (enc) {
     case AV_MATRIX_ENCODING_NONE:           av_log(ctx, AV_LOG_INFO, "none");                break;
-    case AV_MATRIX_ENCODING_DOLBY:          av_log(ctx, AV_LOG_INFO, "Dolby");               break;
+    case AV_MATRIX_ENCODING_DOLBY:          av_log(ctx, AV_LOG_INFO, "Dolby Surround");      break;
     case AV_MATRIX_ENCODING_DPLII:          av_log(ctx, AV_LOG_INFO, "Dolby Pro Logic II");  break;
     case AV_MATRIX_ENCODING_DPLIIX:         av_log(ctx, AV_LOG_INFO, "Dolby Pro Logic IIx"); break;
     case AV_MATRIX_ENCODING_DPLIIZ:         av_log(ctx, AV_LOG_INFO, "Dolby Pro Logic IIz"); break;