--- a/src/testlib/qtestcase.cpp
+++ b/src/testlib/qtestcase.cpp
@@ -1359,6 +1359,9 @@ int QTest::qExec(QObject *testObject, in
     QBenchmarkGlobalData benchmarkData;
     QBenchmarkGlobalData::current = &benchmarkData;
 
+#ifdef QTESTLIB_USE_VALGRIND
+    int callgrindChildExitCode = 0;
+#endif
 
 #ifdef Q_WS_MAC
      bool macNeedsActivate = qApp && qstrcmp(qApp->metaObject()->className(), "QApplicaion");
@@ -1411,7 +1414,6 @@ int QTest::qExec(QObject *testObject, in
     QTestResult::setCurrentTestObject(metaObject->className());
     qParseArgs(argc, argv);
 #ifdef QTESTLIB_USE_VALGRIND
-    int callgrindChildExitCode;
     if (QBenchmarkGlobalData::current->mode() == QBenchmarkGlobalData::CallgrindParentProcess) {
         const QStringList origAppArgs(QCoreApplication::arguments());
         if (!QBenchmarkValgrindUtils::rerunThroughCallgrind(origAppArgs, callgrindChildExitCode))
@@ -1436,6 +1438,7 @@ int QTest::qExec(QObject *testObject, in
              QTestResult::setCurrentTestFunction(0);
          }
 
+        QTestLog::stopLogging();
 #ifdef QT_MAC_USE_COCOA
          if (macNeedsActivate) {
              IOPMAssertionRelease(powerID);