diff --git a/src/blackcore/aircraftmatcher.h b/src/blackcore/aircraftmatcher.h
index 4a763883e..12c8dbecd 100644
--- a/src/blackcore/aircraftmatcher.h
+++ b/src/blackcore/aircraftmatcher.h
@@ -226,6 +226,8 @@ namespace BlackCore
     };
 } // namespace
 
+Q_DECLARE_METATYPE(BlackCore::CAircraftMatcher::MatchingMode)
+Q_DECLARE_METATYPE(BlackCore::CAircraftMatcher::MatchingModeFlag)
 Q_DECLARE_OPERATORS_FOR_FLAGS(BlackCore::CAircraftMatcher::MatchingMode)
 
 #endif // guard