diff --git a/src/plugins/autotest/testresultdelegate.cpp b/src/plugins/autotest/testresultdelegate.cpp
index 9d123bbad86..161857ca9d8 100644
--- a/src/plugins/autotest/testresultdelegate.cpp
+++ b/src/plugins/autotest/testresultdelegate.cpp
@@ -181,8 +181,12 @@ void TestResultDelegate::clearCache()
     m_lastProcessedIndex = QModelIndex();
     m_lastProcessedFont = QFont();
     m_lastWidth = -1;
-    if (current.isValid())
-        emit sizeHintChanged(current);
+    if (current.isValid()) {
+        if (auto model = current.model()) {
+            if (model->index(current.row(), current.column(), current.parent()) == current)
+                emit sizeHintChanged(current);
+        }
+    }
 }
 
 void TestResultDelegate::limitTextOutput(QString &output) const