diff --git a/backends/playback/zsm/zsm_backend.cpp b/backends/playback/zsm/zsm_backend.cpp
index a1ab804..641dfd0 100644
--- a/backends/playback/zsm/zsm_backend.cpp
+++ b/backends/playback/zsm/zsm_backend.cpp
@@ -46,7 +46,7 @@ void ZsmBackend::load(const char *filename) {
     file->seek(pcm_offset, SeekType::SET);
     file->read(loop_point, 1, 1);
     pcm_offset++;
-    pcm_data_offs = (loop_point[0] * 16) + pcm_offset;
+    pcm_data_offs = (((uint16_t)loop_point[0]) + 1) * 16) + pcm_offset;
     file->seek(music_data_start, SeekType::SET);
     this->loop_point = std::max(this->loop_point, (uint32_t)music_data_start);
     double prev_time = 0.0;