diff --git a/backends/playback/zsm/zsm_backend.hpp b/backends/playback/zsm/zsm_backend.hpp
index 1db5771..3695620 100644
--- a/backends/playback/zsm/zsm_backend.hpp
+++ b/backends/playback/zsm/zsm_backend.hpp
@@ -86,21 +86,23 @@ class ZsmBackend : public PlaybackBackend {
     void audio_step(size_t samples) {
     	if (samples == 0) return;
      	while (pcm_fifo_avail() < samples && remain > 0) {
-      		if (pcm_read_rate() == 0) break;
-             remain--;
-             size_t oldpos = file->get_pos();
-             file->seek((cur++), SeekType::SET);
-             uint8_t sample;
-             file->read(&sample, 1, 1);
-             pcm_write_fifo(sample);
-             if (remain == 0) {
-                 if (islooped) {
-                     cur = loop;
-                     remain = loop_rem;
-                 }
-             }
-             file->seek(oldpos, SeekType::SET);
-         }
+     		if (pcm_read_rate() == 0) break;
+            remain--;
+            if (remain == 0) {
+                if (islooped) {
+                 	cur = loop;
+                    remain = loop_rem;
+                } else {
+                	break;
+                }
+            }
+            size_t oldpos = file->get_pos();
+            file->seek((cur++), SeekType::SET);
+            uint8_t sample;
+            file->read(&sample, 1, 1);
+            pcm_write_fifo(sample);
+            file->seek(oldpos, SeekType::SET);
+        }
         samples *= 2;
     	int16_t *psg_ptr = psg_buf.get_item_sized<int16_t>(samples);
         int16_t *pcm_ptr = pcm_buf.get_item_sized<int16_t>(samples);