First header item not visible in a sticky sectioned list

[hari2109]

I have a recyclerview where I show search results sectioned into different categories. But I'm getting a strange issue where just for the first time, the header for the first section is not shown. It just shows a blank space in the area where the header is supposed to be. The header shows up correctly as soon as I start scrolling down and resumes the normal sticky behaviour. This is the code I'm using to show the recycler view:

        mSearchResultsAdapter = new FlexibleAdapter(searchResultList);
        mSearchResultsRecyclerView.setAdapter(mSearchResultsAdapter);
        mSearchResultsAdapter.setDisplayHeadersAtStartUp(true);
        mSearchResultsAdapter.enableStickyHeaders();
        mLayoutManager.scrollToPositionWithOffset(0,0);