diff --git a/src/main/cpp/option_processor-internal.h b/src/main/cpp/option_processor-internal.h
index 8ebfb64..47f0df4 100644
--- a/src/main/cpp/option_processor-internal.h
+++ b/src/main/cpp/option_processor-internal.h
@@ -30,6 +30,8 @@
 std::vector<std::string> DedupeBlazercPaths(
     const std::vector<std::string>& paths);
 
+std::string FindSystemWideRc();
+
 std::string FindRcAlongsideBinary(const std::string& cwd,
                                   const std::string& path_to_binary);