diff --git a/companion/src/CMakeLists.txt b/companion/src/CMakeLists.txt
index a96a217d4..fb4902489 100644
--- a/companion/src/CMakeLists.txt
+++ b/companion/src/CMakeLists.txt
@@ -214,6 +214,7 @@ set(companion_MOC_HDRS
   helpers.h
   wizarddialog.h
   modelprinter.h
+  multimodelprinter.h
 )
 
 set(companion_UIS
diff --git a/companion/src/multimodelprinter.h b/companion/src/multimodelprinter.h
index 7f1959bf0..3b947fbba 100644
--- a/companion/src/multimodelprinter.h
+++ b/companion/src/multimodelprinter.h
@@ -7,6 +7,8 @@
 
 class MultiModelPrinter: public QObject
 {
+  Q_OBJECT
+
   public:
     MultiModelPrinter(Firmware * firmware);
     virtual ~MultiModelPrinter();