diff --git a/src/plugins/autotest/testresultmodel.cpp b/src/plugins/autotest/testresultmodel.cpp
index 7eb23e41c95..d4dd274c478 100644
--- a/src/plugins/autotest/testresultmodel.cpp
+++ b/src/plugins/autotest/testresultmodel.cpp
@@ -430,7 +430,7 @@ bool TestResultFilterModel::filterAcceptsRow(int sourceRow, const QModelIndex &s
 bool TestResultFilterModel::acceptTestCaseResult(const QModelIndex &srcIndex) const
 {
     for (int row = 0, count = m_sourceModel->rowCount(srcIndex); row < count; ++row) {
-        const QModelIndex &child = srcIndex.child(row, 0);
+        const QModelIndex &child = m_sourceModel->index(row, 0, srcIndex);
         Result::Type type = m_sourceModel->testResult(child)->result();
         if (type == Result::MessageTestCaseSuccess)
             type = Result::Pass;
diff --git a/src/plugins/autotest/testresultspane.cpp b/src/plugins/autotest/testresultspane.cpp
index 89fce104de9..277109b600a 100644
--- a/src/plugins/autotest/testresultspane.cpp
+++ b/src/plugins/autotest/testresultspane.cpp
@@ -324,7 +324,7 @@ void TestResultsPane::goToNext()
     if (currentIndex.isValid()) {
         // try to set next to first child or next sibling
         if (m_filterModel->rowCount(currentIndex)) {
-            nextCurrentIndex = currentIndex.child(0, 0);
+            nextCurrentIndex = m_filterModel->index(0, 0, currentIndex);
         } else {
             nextCurrentIndex = currentIndex.sibling(currentIndex.row() + 1, 0);
             // if it had no sibling check siblings of parent (and grandparents if necessary)
@@ -369,7 +369,7 @@ void TestResultsPane::goToPrev()
             nextCurrentIndex = currentIndex.sibling(currentIndex.row() - 1, 0);
             // if the sibling has children, use the last one
             while (int rowCount = m_filterModel->rowCount(nextCurrentIndex))
-                nextCurrentIndex = nextCurrentIndex.child(rowCount - 1, 0);
+                nextCurrentIndex = m_filterModel->index(rowCount - 1, 0, nextCurrentIndex);
         } else {
             nextCurrentIndex = currentIndex.parent();
         }
@@ -386,7 +386,7 @@ void TestResultsPane::goToPrev()
         nextCurrentIndex = m_filterModel->index(m_filterModel->rowCount(QModelIndex()) - 1, 0);
         // step through until end
         while (int rowCount = m_filterModel->rowCount(nextCurrentIndex))
-            nextCurrentIndex = nextCurrentIndex.child(rowCount - 1, 0);
+            nextCurrentIndex = m_filterModel->index(rowCount - 1, 0, nextCurrentIndex);
     }
 
     m_treeView->setCurrentIndex(nextCurrentIndex);