diff --git a/dlls/winegstreamer/gstdemux.c b/dlls/winegstreamer/gstdemux.c
index 1af34441984..f4573c75f86 100644
--- a/dlls/winegstreamer/gstdemux.c
+++ b/dlls/winegstreamer/gstdemux.c
@@ -1430,7 +1430,6 @@ static HRESULT WINAPI GSTOutPin_DecideBufferSize(struct strmbase_source *iface,
         IMemAllocator *allocator, ALLOCATOR_PROPERTIES *props)
 {
     struct parser_source *pin = impl_source_from_IPin(&iface->pin.IPin_iface);
-    struct wg_parser_stream *stream = pin->wg_stream;
     unsigned int buffer_size = 16384;
     ALLOCATOR_PROPERTIES ret_props;
     struct wg_format format;
@@ -1440,10 +1439,6 @@ static HRESULT WINAPI GSTOutPin_DecideBufferSize(struct strmbase_source *iface,
     {
         VIDEOINFOHEADER *format = (VIDEOINFOHEADER *)pin->pin.pin.mt.pbFormat;
         buffer_size = format->bmiHeader.biSizeImage;
-
-        gst_util_set_object_arg(G_OBJECT(stream->flip), "method",
-                (format->bmiHeader.biCompression == BI_RGB
-                || format->bmiHeader.biCompression == BI_BITFIELDS) ? "vertical-flip" : "none");
     }
     else if (IsEqualGUID(&pin->pin.pin.mt.formattype, &FORMAT_WaveFormatEx)
             && (IsEqualGUID(&pin->pin.pin.mt.subtype, &MEDIASUBTYPE_PCM)
diff --git a/dlls/winegstreamer/wg_parser.c b/dlls/winegstreamer/wg_parser.c
index 0738df150b2..8437dc1897d 100644
--- a/dlls/winegstreamer/wg_parser.c
+++ b/dlls/winegstreamer/wg_parser.c
@@ -358,6 +358,33 @@ static void CDECL wg_parser_stream_enable(struct wg_parser_stream *stream, const
 {
     stream->current_format = *format;
     stream->enabled = true;
+
+    if (format->major_type == WG_MAJOR_TYPE_VIDEO)
+    {
+        switch (format->u.video.format)
+        {
+            case WG_VIDEO_FORMAT_BGRA:
+            case WG_VIDEO_FORMAT_BGRx:
+            case WG_VIDEO_FORMAT_BGR:
+            case WG_VIDEO_FORMAT_RGB15:
+            case WG_VIDEO_FORMAT_RGB16:
+                gst_util_set_object_arg(G_OBJECT(stream->flip), "method", "vertical-flip");
+                break;
+
+            case WG_VIDEO_FORMAT_AYUV:
+            case WG_VIDEO_FORMAT_I420:
+            case WG_VIDEO_FORMAT_NV12:
+            case WG_VIDEO_FORMAT_UYVY:
+            case WG_VIDEO_FORMAT_YUY2:
+            case WG_VIDEO_FORMAT_YV12:
+            case WG_VIDEO_FORMAT_YVYU:
+            case WG_VIDEO_FORMAT_UNKNOWN:
+            case WG_VIDEO_FORMAT_CINEPAK:
+                gst_util_set_object_arg(G_OBJECT(stream->flip), "method", "none");
+                break;
+        }
+    }
+
     gst_pad_push_event(stream->my_sink, gst_event_new_reconfigure());
 }