diff --git a/libavformat/riffdec.c b/libavformat/riffdec.c
index d7b81a0d08..151178dbc5 100644
--- a/libavformat/riffdec.c
+++ b/libavformat/riffdec.c
@@ -131,7 +131,7 @@ int ff_get_wav_header(AVFormatContext *s, AVIOContext *pb,
     if (size >= 18 && id != 0x0165) {  /* We're obviously dealing with WAVEFORMATEX */
         int cbSize = avio_rl16(pb); /* cbSize */
         if (big_endian) {
-            avpriv_report_missing_feature(codec, "WAVEFORMATEX support for RIFX files\n");
+            avpriv_report_missing_feature(codec, "WAVEFORMATEX support for RIFX files");
             return AVERROR_PATCHWELCOME;
         }
         size  -= 18;