diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 4749113ced3..9d90df718f6 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -4741,7 +4741,6 @@ static HRESULT WINAPI IWineD3DDeviceImpl_DrawPrimitiveStrided (IWineD3DDevice *i
     IWineD3DDeviceImpl_MarkStateDirty(This, STATE_INDEXBUFFER);
     This->stateBlock->baseVertexIndex = 0;
     This->up_strided = DrawPrimStrideData;
-    This->stateBlock->streamIsUP = TRUE;
     drawPrimitive(iface, PrimitiveType, PrimitiveCount, 0, 0, 0, 0, NULL, 0);
     This->up_strided = NULL;
     return WINED3D_OK;