diff --git a/src/core/utilities.h b/src/core/utilities.h
index b84a69f30..26c22b67b 100644
--- a/src/core/utilities.h
+++ b/src/core/utilities.h
@@ -154,6 +154,8 @@ QString DesktopEnvironment();
 
 QString UnicodeToAscii(const QString &unicode);
 
+QString MacAddress();
+
 }  // namespace
 
 class ScopedWCharArray {