diff --git a/trunk/fluidsynth/src/drivers/fluid_winmidi.c b/trunk/fluidsynth/src/drivers/fluid_winmidi.c
index 419196e..3282af5 100644
--- a/trunk/fluidsynth/src/drivers/fluid_winmidi.c
+++ b/trunk/fluidsynth/src/drivers/fluid_winmidi.c
@@ -293,12 +293,15 @@ fluid_winmidi_callback(HMIDIIN hmi, UINT wMsg, DWORD_PTR dwInstance,
     event.type = msg_type(msg_param);
     event.channel = msg_chan(msg_param);
 
-    if (event.type != PITCH_BEND) {
-      event.param1 = msg_p1(msg_param);
-      event.param2 = msg_p2(msg_param);
-    } else {  /* Pitch bend is a 14 bit value */
+    if (event.type == MIDI_SYSEX)
+      break; /* Ignore system common / system real-time messages */
+    else if (event.type == PITCH_BEND) {
+      /* Pitch bend is a 14 bit value */
       event.param1 = (msg_p2 (msg_param) << 7) | msg_p1 (msg_param);
       event.param2 = 0;
+    } else {
+      event.param1 = msg_p1(msg_param);
+      event.param2 = msg_p2(msg_param);
     }
 
     (*dev->driver.handler)(dev->driver.data, &event);