1 files changed, 4 insertions, 2 deletions
diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp
index 26d7c5472a..708b9b44ca 100644
--- a/src/widgets/itemviews/qheaderview.cpp
+++ b/src/widgets/itemviews/qheaderview.cpp
@@ -2163,9 +2163,11 @@ void QHeaderViewPrivate::_q_sectionsAboutToBeChanged()
     layoutChangePersistentSections.clear();
     layoutChangePersistentSections.reserve(std::min(10, sectionItems.count()));
     // after layoutChanged another section can be last stretched section
-    if (stretchLastSection) {
+    if (stretchLastSection && lastSectionLogicalIdx >= 0 && lastSectionLogicalIdx < sectionItems.count()) {
         const int visual = visualIndex(lastSectionLogicalIdx);
-        sectionItems[visual].size = lastSectionSize;
+        if (visual >= 0 && visual < sectionItems.size()) {
+            sectionItems[visual].size = lastSectionSize;
+        }
     }
     for (int i = 0; i < sectionItems.size(); ++i) {
         auto s = sectionItems.at(i);