diff --git a/reactos/drivers/wdm/audio/hdaudbus/fdo.cpp b/reactos/drivers/wdm/audio/hdaudbus/fdo.cpp
index 20a2fca3509..1e6b6f6f240 100644
--- a/reactos/drivers/wdm/audio/hdaudbus/fdo.cpp
+++ b/reactos/drivers/wdm/audio/hdaudbus/fdo.cpp
@@ -662,7 +662,7 @@ HDA_FDOQueryBusRelations(
     if (!DeviceRelations)
         return STATUS_INSUFFICIENT_RESOURCES;
 
-    DeviceCount = 0;
+    DeviceRelations->Count = 0;
     for (CodecIndex = 0; CodecIndex < HDA_MAX_CODECS; CodecIndex++)
     {
         if (DeviceExtension->Codecs[CodecIndex] == NULL)