1 files changed, 3 insertions, 3 deletions

diff --git a/apps/codecs/dumb/src/it/reads3m.c b/apps/codecs/dumb/src/it/reads3m.c
index 6a8b84dd55..22152c8ff9 100644
--- a/apps/codecs/dumb/src/it/reads3m.c
+++ b/apps/codecs/dumb/src/it/reads3m.c
@@ -231,8 +231,8 @@ static int it_s3m_read_pattern(IT_PATTERN *pattern, DUMBFILE *f, unsigned char *
                 b >>= 5;
                 pattern->n_entries++;
                 if (b) {
-                        if (buflen + used[b] >= 65536) return -1;
-                        dumbfile_getnc(buffer + buflen, used[b], f);
+                        if (buflen + (signed char)used[b] >= 65536) return -1;
+                        dumbfile_getnc((char *)buffer + buflen, used[b], f);
                         buflen += used[b];
                 } else {
                         /* End of row */
@@ -494,7 +494,7 @@ static DUMB_IT_SIGDATA *it_s3m_load_sigdata(DUMBFILE *f)
         }
 
         /* Orders, byte each, length = sigdata->n_orders (should be even) */
-        dumbfile_getnc(sigdata->order, sigdata->n_orders, f);
+        dumbfile_getnc((char *)sigdata->order, sigdata->n_orders, f);
         sigdata->restart_position = 0;
 
         component = malloc(768*sizeof(*component));