1 files changed, 1 insertions, 1 deletions
diff --git a/alc/backends/null.cpp b/alc/backends/null.cpp
index bc2a0c9c..9f069be8 100644
--- a/alc/backends/null.cpp
+++ b/alc/backends/null.cpp
@@ -87,7 +87,7 @@ int NullBackend::mixerProc()
         while(avail-done >= mDevice->UpdateSize)
         {
             std::lock_guard<NullBackend> _{*this};
-            aluMixData(mDevice, nullptr, mDevice->UpdateSize);
+            aluMixData(mDevice, nullptr, mDevice->UpdateSize, 0u);
             done += mDevice->UpdateSize;
         }