diff --git a/DownloadDCJsonFiles.pro b/DownloadDCJsonFiles.pro
index f4c7a0c..340b0ce 100644
--- a/DownloadDCJsonFiles.pro
+++ b/DownloadDCJsonFiles.pro
@@ -16,6 +16,11 @@ GIT_COMMIT=$$system("git log -1 --format=oneline | cut -d' ' -f1")
 
 EXTENDED_VERSION="$${VERSION}-$${GIT_COMMIT}"
 
+!contains(CONFIG, INCLUDEINTERFACES) {
+    INCLUDEINTERFACES=/opt/ptu5/opt/DCLibraries/include
+}
+INCLUDEPATH += plugins $${INCLUDEINTERFACES}
+
 CONFIG += c++17
 
 DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
@@ -65,7 +70,8 @@ SOURCES += \
         message_handler.cpp
 
 HEADERS += \
-        message_handler.h
+        message_handler.h \
+        plugins/interfaces.h
 
 OTHER_FILES += \
     ATBDownloadDCJsonFiles.ini