diff --git a/src/midi.c b/src/midi.c
index 98b4c50..7074fcf 100644
--- a/src/midi.c
+++ b/src/midi.c
@@ -25,7 +25,7 @@ void midi_open(MidiDevice *device, const char *name, bool log_error) {
     snd_lib_log_set_handler(snd_no_log);
   }
 
-  snd_rawmidi_open(&device->input, &device->output, name, SND_RAWMIDI_NONBLOCK);
+  snd_rawmidi_open(&device->input, &device->output, name, SND_RAWMIDI_SYNC);
 
   device->connected = device->input != NULL && device->output != NULL;
   if (log_error) {