diff --git a/src/app/core/vapplication.cpp b/src/app/core/vapplication.cpp
index 232ff2c15..9748ed96d 100644
--- a/src/app/core/vapplication.cpp
+++ b/src/app/core/vapplication.cpp
@@ -1979,7 +1979,14 @@ bool VApplication::SafeCopy(const QString &source, const QString &destination, Q
 //---------------------------------------------------------------------------------------------------------------------
 void VApplication::StartLogging()
 {
+#if (QT_VERSION < QT_VERSION_CHECK(5, 3, 0))
+    // In Qt 5.2 need manualy enable debug information for categories. This work
+    // because Qt doesn't provide debug information for categories itself. And in this
+    // 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");
+#endif
 
     QDir logDir(LogDirPath());
     if (logDir.exists() == false)