1 files changed, 2 insertions, 2 deletions
diff --git a/src/demuxers/demux_4xm.c b/src/demuxers/demux_4xm.c
index 015ed8b2f..397a271b8 100644
--- a/src/demuxers/demux_4xm.c
+++ b/src/demuxers/demux_4xm.c
@@ -190,9 +190,9 @@ static int open_fourxm_file(demux_fourxm_t *fourxm) {
         return 0;
       }
       const uint32_t current_track = _X_LE_32(&header[i + 8]);
-      if (current_track + 1 > fourxm->track_count) {
+      if (current_track >= fourxm->track_count) {
         fourxm->track_count = current_track + 1;
-        if (fourxm->track_count >= UINT_MAX / sizeof(audio_track_t)) {
+        if (!fourxm->track_count || fourxm->track_count >= UINT_MAX / sizeof(audio_track_t)) {
           free(header);
           return 0;
         }