diff --git a/mistral/arch.cc b/mistral/arch.cc
index 9c661439..dd5c3b9a 100644
--- a/mistral/arch.cc
+++ b/mistral/arch.cc
@@ -477,7 +477,7 @@ const std::vector<std::string> Arch::availablePlacers = {"sa",
 #endif
 };
 
-const std::string Arch::defaultRouter = "router1";
+const std::string Arch::defaultRouter = "router2";
 const std::vector<std::string> Arch::availableRouters = {"router1", "router2"};
 
 NEXTPNR_NAMESPACE_END
\ No newline at end of file