diff --git a/DownloadDCJsonFiles.pro b/DownloadDCJsonFiles.pro
index cf475a6..f4c7a0c 100644
--- a/DownloadDCJsonFiles.pro
+++ b/DownloadDCJsonFiles.pro
@@ -61,9 +61,11 @@ contains( CONFIG, DesktopLinux ) {
 }
 
 SOURCES += \
-        main.cpp
+        main.cpp \
+        message_handler.cpp
 
-# HEADERS +=
+HEADERS += \
+        message_handler.h
 
 OTHER_FILES += \
     ATBDownloadDCJsonFiles.ini