diff --git a/src/option_parser.cpp b/src/option_parser.cpp
index 3d06dae9..f4a7fb95 100644
--- a/src/option_parser.cpp
+++ b/src/option_parser.cpp
@@ -55,7 +55,8 @@ enum
 
 struct OptParseState
 {
-  std::vector<
+  std::vector<std::string> opts;
+  std::vector<std::string> branches;
 };