diff --git a/src/libs/vmisc/vabstractapplication.cpp b/src/libs/vmisc/vabstractapplication.cpp
index b3ef4034c..0327fa6d6 100644
--- a/src/libs/vmisc/vabstractapplication.cpp
+++ b/src/libs/vmisc/vabstractapplication.cpp
@@ -62,6 +62,7 @@ VAbstractApplication::VAbstractApplication(int &argc, char **argv)
       doc(nullptr),
       openingPattern(false)
 {
+    QString rules;
 #if QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
 
 #if QT_VERSION < QT_VERSION_CHECK(5, 2, 0)
@@ -73,7 +74,7 @@ VAbstractApplication::VAbstractApplication(int &argc, char **argv)
     // case will show our messages. Another situation with Qt 5.3 that has many debug
     // messages itself. We don't need this information and can turn on later if need.
     // But here Qt already show our debug messages without enabling.
-    QLoggingCategory::setFilterRules("*.debug=true\n");
+    rules += QLatin1String("*.debug=true\n");
 #endif // QT_VERSION < QT_VERSION_CHECK(5, 2, 0)
 
 #endif // QT_VERSION < QT_VERSION_CHECK(5, 3, 0)
@@ -95,9 +96,16 @@ VAbstractApplication::VAbstractApplication(int &argc, char **argv)
 #if defined(V_NO_ASSERT)
     // Ignore SSL-related warnings
     // See issue #528: Error: QSslSocket: cannot resolve SSLv2_client_method.
-    qputenv("QT_LOGGING_RULES", "qt.network.ssl.warning=false");
+    rules += QLatin1String("qt.network.ssl.warning=false\n");
+    // See issue #568: Certificate checking on Mac OS X.
+    rules += QLatin1String("qt.network.ssl.critical=false\n");
 #endif //defined(V_NO_ASSERT)
 #endif // QT_VERSION >= QT_VERSION_CHECK(5, 4, 1)
+
+    if (not rules.isEmpty())
+    {
+        QLoggingCategory::setFilterRules(rules);
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------