diff --git a/dlls/winegstreamer/gsttffilter.c b/dlls/winegstreamer/gsttffilter.c
index d3b29224ab7..a304cc142a4 100644
--- a/dlls/winegstreamer/gsttffilter.c
+++ b/dlls/winegstreamer/gsttffilter.c
@@ -141,8 +141,8 @@ static HRESULT WINAPI Gstreamer_transform_DecideBufferSize(TransformFilter *tf,
 
     ppropInputRequest->cbBuffer = This->cbBuffer;
 
-    if (!ppropInputRequest->cBuffers)
-        ppropInputRequest->cBuffers = 1;
+    if (ppropInputRequest->cBuffers < 2)
+        ppropInputRequest->cBuffers = 2;
 
     return IMemAllocator_SetProperties(pAlloc, ppropInputRequest, &actual);
 }