1 files changed, 1 insertions, 1 deletions

diff --git a/apps/recorder/recording.c b/apps/recorder/recording.c
index 60b6e4743e..a077c957a7 100644
--- a/apps/recorder/recording.c
+++ b/apps/recorder/recording.c
@@ -89,7 +89,7 @@ static char *fmtstr[] =
 char *fmt_gain(int snd, int val, char *str, int len)
 {
     int tmp, i, d, numdec;
-    char *unit;
+    const char *unit;
     
     tmp = mpeg_val2phys(snd, val);
     numdec = mpeg_sound_numdecimals(snd);