diff --git a/src/savegame_json.cpp b/src/savegame_json.cpp
index 6f4f9dfc3dfe..88628d466fa4 100644
--- a/src/savegame_json.cpp
+++ b/src/savegame_json.cpp
@@ -3551,7 +3551,7 @@ void const_act_item::deserialize( JsonIn &jsin )
     deserialize_act_item_t( jsin, *this );
 }
 
-}
+} // namespace pickup
 
 // basecamp
 void basecamp::serialize( JsonOut &json ) const