diff --git a/libs/backends/wavesaudio/waves_midi_device.cc b/libs/backends/wavesaudio/waves_midi_device.cc
index 81e8f1259d..3401dd5440 100644
--- a/libs/backends/wavesaudio/waves_midi_device.cc
+++ b/libs/backends/wavesaudio/waves_midi_device.cc
@@ -136,6 +136,7 @@ WavesMidiDevice::open (PmTimeProcPtr time_proc, void* time_info)
 						std::cerr << "Error: " << err_msg << std::endl;
                         _output_pm_stream = NULL;
                         _pm_output_id = pmNoDevice;
+						close ();
                         return -1;
                 }
 			}