diff --git a/src/topology.hpp b/src/topology.hpp
index 4ea5246..467a5ca 100644
--- a/src/topology.hpp
+++ b/src/topology.hpp
@@ -27,6 +27,7 @@
 
     std::unordered_map<PortType, std::vector<Path>> upstreamPorts;
     std::unordered_map<PortType, std::vector<Path>> downstreamPorts;
+    std::set<Path> powerPaths;
     std::unordered_map<Path, BoardType> boardTypes;
     std::unordered_map<BoardName, Path> boardNames;
 };