diff --git a/reactos/drivers/wdm/audio/backpln/portcls/pin_wavepci.cpp b/reactos/drivers/wdm/audio/backpln/portcls/pin_wavepci.cpp
index 7089f064aee..8342f338f4a 100644
--- a/reactos/drivers/wdm/audio/backpln/portcls/pin_wavepci.cpp
+++ b/reactos/drivers/wdm/audio/backpln/portcls/pin_wavepci.cpp
@@ -559,7 +559,7 @@ CPortPinWavePci::HandleKsStream(
         if (m_Capture)
             m_Position.WriteOffset += Data;
         else
-            m_Position.WriteOffset += Data;
+            m_Position.PlayOffset += Data;
 
         if (bFailed)
         {