diff --git a/qrenderdoc/Widgets/Extended/RDHeaderView.cpp b/qrenderdoc/Widgets/Extended/RDHeaderView.cpp
index 54d21fa9e..df9edae82 100644
--- a/qrenderdoc/Widgets/Extended/RDHeaderView.cpp
+++ b/qrenderdoc/Widgets/Extended/RDHeaderView.cpp
@@ -146,6 +146,8 @@ void RDHeaderView::cacheSections()
   if(m_pinnedColumns >= m_sections.count())
     m_pinnedWidth = m_pinnedColumns;
 
+  QHeaderView::initializeSections();
+
   QStyleOptionHeader opt;
   initStyleOption(&opt);