diff --git a/src/libcmd/installables.hh b/src/libcmd/installables.hh
index b97888db6..948f78919 100644
--- a/src/libcmd/installables.hh
+++ b/src/libcmd/installables.hh
@@ -131,6 +131,7 @@ struct Installable
         OperateOn operateOn,
         const std::vector<std::shared_ptr<Installable>> & installables);
 };
+
 typedef std::vector<std::shared_ptr<Installable>> Installables;
 
 struct InstallableValue : Installable