diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp
index c2bcc1585f0..75a513fb678 100644
--- a/src/widgets/itemviews/qheaderview.cpp
+++ b/src/widgets/itemviews/qheaderview.cpp
@@ -1599,7 +1599,7 @@ int QHeaderView::minimumSectionSize() const
 void QHeaderView::setMinimumSectionSize(int size)
 {
     Q_D(QHeaderView);
-    if (size < 0 || size > maxSizeSection)
+    if (size < -1 || size > maxSizeSection)
         return;
     d->minimumSectionSize = size;
     if (d->minimumSectionSize > maximumSectionSize())
diff --git a/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp b/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
index 398b1b4d98c..3e6df0f1363 100644
--- a/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
+++ b/tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
@@ -368,6 +368,8 @@ void tst_QHeaderView::getSetCheck()
     QCOMPARE(0, obj1.minimumSectionSize());
     obj1.setMinimumSectionSize(99999);
     QCOMPARE(99999, obj1.minimumSectionSize());
+    obj1.setMinimumSectionSize(-1);
+    QVERIFY(obj1.minimumSectionSize() < 100);
 
     // int QHeaderView::offset()
     // void QHeaderView::setOffset(int)