diff --git a/reactos/drivers/wdm/audio/hdaudbus/fdo.cpp b/reactos/drivers/wdm/audio/hdaudbus/fdo.cpp
index 1e6b6f6f240..b032073eb9b 100644
--- a/reactos/drivers/wdm/audio/hdaudbus/fdo.cpp
+++ b/reactos/drivers/wdm/audio/hdaudbus/fdo.cpp
@@ -603,7 +603,7 @@ HDA_FDOStartDevice(
         // them, as we want to use the STATE_STATUS register to identify
         // available codecs. We'd have to clear that register in the interrupt
         // handler to 'ack' the codec change.
-        Value = READ_REGISTER_USHORT((PUSHORT)(DeviceExtension->RegBase + HDAC_WAKE_ENABLE)) & HDAC_WAKE_ENABLE_MASK;
+        Value = READ_REGISTER_USHORT((PUSHORT)(DeviceExtension->RegBase + HDAC_WAKE_ENABLE)) & ~HDAC_WAKE_ENABLE_MASK;
         WRITE_REGISTER_USHORT((PUSHORT)(DeviceExtension->RegBase + HDAC_WAKE_ENABLE), Value);
 
         // Enable controller interrupts