diff --git a/src/namedirectory.h b/src/namedirectory.h
index 92d13767504a7cc83555eddc8a955576613ed077..3a947f8de40b17439be01e56841fca897e27bc15 100644
--- a/src/namedirectory.h
+++ b/src/namedirectory.h
@@ -49,8 +49,8 @@ public:
     static NameDirectory& instance();
 
     // Lookup
-    bool lookupName(const QString& nameServiceURL, const QString& name) const;
-    bool lookupAddress(const QString& nameServiceURL, const QString& address) const;
+    Q_INVOKABLE bool lookupName(const QString& nameServiceURL, const QString& name) const;
+    Q_INVOKABLE bool lookupAddress(const QString& nameServiceURL, const QString& address) const;
 
 private:
     // Constructors & Destructors