diff --git a/src/emc/usr_intf/gmoccapy/gmoccapy.py b/src/emc/usr_intf/gmoccapy/gmoccapy.py
index 8802d52472..92adb3e02a 100644
--- a/src/emc/usr_intf/gmoccapy/gmoccapy.py
+++ b/src/emc/usr_intf/gmoccapy/gmoccapy.py
@@ -2026,6 +2026,7 @@ def _init_audio(self):
             self.widgets.audio_alert_chooser.set_filename(self.alert_sound)
             self.widgets.audio_error_chooser.set_filename(self.error_sound)
         else:
+            self.audio_active = False
             LOG.warning(_("No audio available! PYGST library not installed? "
             "Is python-gstX.XX installed?"))