diff --git a/src/core/core.h b/src/core/core.h
index fe266de..4ed67fc 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include "core/logger.h"
+
 // Qt
 #include <QtCore>
 // c++
diff --git a/src/testapp/main.cpp b/src/testapp/main.cpp
index 11e882a..04f0c35 100644
--- a/src/testapp/main.cpp
+++ b/src/testapp/main.cpp
@@ -8,6 +8,8 @@ int main(int argc, char *argv[])
 {
     core::initAppLogger();
 
+    qCDebug(sdkcore) << "test message";
+
     QCoreApplication app(argc, argv);
     QCoreApplication::setApplicationName("colnod-connector");
     QCoreApplication::setApplicationVersion("1.0");